Add DotNetCoreBootstrapperApplicationHost for an SCD-style .NET Core BA.

author: Sean Hall <r.sean.hall@gmail.com> 2020-04-29 19:28:50 +1000
committer: Sean Hall <r.sean.hall@gmail.com> 2020-04-29 19:53:29 +1000
commit: 39e930d9aaff250e0fd5019eeedaa40717a6c6fe (patch)
tree: bc0865bc6c9ced1b4a06b408ff60cb83ef73cad3
parent: f4b14ff16f78435285bb20f16d5d62b902e6ba17 (diff)
download: wix-39e930d9aaff250e0fd5019eeedaa40717a6c6fe.tar.gz
wix-39e930d9aaff250e0fd5019eeedaa40717a6c6fe.tar.bz2
wix-39e930d9aaff250e0fd5019eeedaa40717a6c6fe.zip
46 files changed, 2756 insertions, 9 deletions
diff --git a/Bal.wixext.sln b/Bal.wixext.sln
index 84c30661..b4b384af 100644
--- a/Bal.wixext.sln
+++ b/Bal.wixext.sln
@@ -13,6 +13,8 @@ Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "bal", "src\wixlib\bal.wixpr
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WixToolset.Bal.wixext", "src\wixext\WixToolset.Bal.wixext.csproj", "{BF720A63-9D7B-456E-B60C-8122852D9FED}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WixToolset.Dnc.Host", "src\WixToolset.Dnc.Host\WixToolset.Dnc.Host.csproj", "{0D780900-C2FF-4FA2-8CB5-8A19768724C5}"
+EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WixToolset.Mba.Host", "src\WixToolset.Mba.Host\WixToolset.Mba.Host.csproj", "{F2BA1935-70FA-4156-B161-FD03850B4FAA}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "examples", "examples", "{C70E3534-A018-4D0A-A340-916C9777EEF7}"
@@ -27,6 +29,12 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Example.FullFramework4MBA",
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WixToolsetTest.Bal", "src\test\WixToolsetTest.Bal\WixToolsetTest.Bal.csproj", "{89D479FC-20DA-44D8-AE38-48F063223498}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Example.EarliestCoreMBA", "src\test\examples\EarliestCoreMBA\Example.EarliestCoreMBA.csproj", "{1E86D8DF-DABD-4B6E-A812-64CD2040C73A}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "dnchost", "src\dnchost\dnchost.vcxproj", "{B6F70281-6583-4138-BB7F-AABFEBBB3CA2}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Example.LatestCoreMBA", "src\test\examples\LatestCoreMBA\Example.LatestCoreMBA.csproj", "{A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}"
+EndProject
 Global
        GlobalSection(SolutionConfigurationPlatforms) = preSolution
                Debug|Any CPU = Debug|Any CPU
@@ -89,6 +97,18 @@ Global
                {BF720A63-9D7B-456E-B60C-8122852D9FED}.Release|x64.Build.0 = Release|Any CPU
                {BF720A63-9D7B-456E-B60C-8122852D9FED}.Release|x86.ActiveCfg = Release|Any CPU
                {BF720A63-9D7B-456E-B60C-8122852D9FED}.Release|x86.Build.0 = Release|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Debug|x64.ActiveCfg = Debug|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Debug|x64.Build.0 = Debug|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Debug|x86.ActiveCfg = Debug|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Debug|x86.Build.0 = Debug|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Release|Any CPU.Build.0 = Release|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Release|x64.ActiveCfg = Release|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Release|x64.Build.0 = Release|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Release|x86.ActiveCfg = Release|Any CPU
+                {0D780900-C2FF-4FA2-8CB5-8A19768724C5}.Release|x86.Build.0 = Release|Any CPU
                {F2BA1935-70FA-4156-B161-FD03850B4FAA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
                {F2BA1935-70FA-4156-B161-FD03850B4FAA}.Debug|Any CPU.Build.0 = Debug|Any CPU
                {F2BA1935-70FA-4156-B161-FD03850B4FAA}.Debug|x64.ActiveCfg = Debug|Any CPU
@@ -161,6 +181,40 @@ Global
                {89D479FC-20DA-44D8-AE38-48F063223498}.Release|x64.Build.0 = Release|Any CPU
                {89D479FC-20DA-44D8-AE38-48F063223498}.Release|x86.ActiveCfg = Release|Any CPU
                {89D479FC-20DA-44D8-AE38-48F063223498}.Release|x86.Build.0 = Release|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Debug|x64.ActiveCfg = Debug|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Debug|x64.Build.0 = Debug|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Debug|x86.ActiveCfg = Debug|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Debug|x86.Build.0 = Debug|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Release|Any CPU.Build.0 = Release|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Release|x64.ActiveCfg = Release|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Release|x64.Build.0 = Release|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Release|x86.ActiveCfg = Release|Any CPU
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A}.Release|x86.Build.0 = Release|Any CPU
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Debug|Any CPU.ActiveCfg = Debug|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Debug|Any CPU.Build.0 = Debug|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Debug|x64.ActiveCfg = Debug|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Debug|x86.ActiveCfg = Debug|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Debug|x86.Build.0 = Debug|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Release|Any CPU.ActiveCfg = Release|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Release|Any CPU.Build.0 = Release|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Release|x64.ActiveCfg = Release|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Release|x86.ActiveCfg = Release|Win32
+                {B6F70281-6583-4138-BB7F-AABFEBBB3CA2}.Release|x86.Build.0 = Release|Win32
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Debug|Any CPU.Build.0 = Debug|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Debug|x64.ActiveCfg = Debug|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Debug|x64.Build.0 = Debug|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Debug|x86.ActiveCfg = Debug|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Debug|x86.Build.0 = Debug|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Release|Any CPU.ActiveCfg = Release|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Release|Any CPU.Build.0 = Release|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Release|x64.ActiveCfg = Release|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Release|x64.Build.0 = Release|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Release|x86.ActiveCfg = Release|Any CPU
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618}.Release|x86.Build.0 = Release|Any CPU
        EndGlobalSection
        GlobalSection(SolutionProperties) = preSolution
                HideSolutionNode = FALSE
@@ -169,6 +223,8 @@ Global
                {CC4236FC-226E-4232-AB50-24CBEC4D314D} = {C70E3534-A018-4D0A-A340-916C9777EEF7}
                {3D44B67D-A475-49BA-8310-E39F6C117CC9} = {C70E3534-A018-4D0A-A340-916C9777EEF7}
                {44297646-706D-4508-8E96-1B35B109694C} = {C70E3534-A018-4D0A-A340-916C9777EEF7}
+                {1E86D8DF-DABD-4B6E-A812-64CD2040C73A} = {C70E3534-A018-4D0A-A340-916C9777EEF7}
+                {A4247D9D-3CC9-4BE1-B23A-BEC166AF3618} = {C70E3534-A018-4D0A-A340-916C9777EEF7}
        EndGlobalSection
        GlobalSection(ExtensibilityGlobals) = postSolution
                SolutionGuid = {74046961-48BF-467A-A6C2-F886C75CE0BE}
diff --git a/src/Custom.Build.props b/src/Custom.Build.props
index f4352014..66e74d81 100644
--- a/src/Custom.Build.props
+++ b/src/Custom.Build.props
@@ -2,8 +2,10 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup>
+  <PropertyGroup Condition="$(ProjectName.StartsWith('Example.')) And '$(MSBuildProjectExtension)'=='.csproj' ">
-    <OutputPath Condition="$(ProjectName.StartsWith('Example.')) And '$(MSBuildProjectExtension)'=='.csproj' ">$(OutputPath)examples\$(ProjectName)\</OutputPath>
+    <OutputPath>$(OutputPath)examples\$(ProjectName)\</OutputPath>
-    <OutDir Condition="$(ProjectName.StartsWith('Example.')) And '$(MSBuildProjectExtension)'=='.vcxproj' ">$(OutDir)examples\$(ProjectName)\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="$(ProjectName.StartsWith('Example.')) And '$(MSBuildProjectExtension)'=='.vcxproj' ">
+    <OutDir>$(OutDir)examples\$(ProjectName)\</OutDir>
  </PropertyGroup>
 </Project>
diff --git a/src/WixToolset.Dnc.Host/BootstrapperApplicationFactory.cs b/src/WixToolset.Dnc.Host/BootstrapperApplicationFactory.cs
new file mode 100644
index 00000000..0c6ea367
--- /dev/null
+++ b/src/WixToolset.Dnc.Host/BootstrapperApplicationFactory.cs
@@ -0,0 +1,87 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolset.Dnc.Host
+{
+    using System;
+    using System.Linq;
+    using System.Reflection;
+    using System.Runtime.InteropServices;
+    /// <summary>
+    /// Entry point for the .NET Core host to create and return the BA to the engine.
+    /// Reflection is used instead of referencing WixToolset.Mba.Core directly to avoid requiring it in the AssemblyLoadContext.
+    /// </summary>
+    public sealed class BootstrapperApplicationFactory : IBootstrapperApplicationFactory
+    {
+        private string baFactoryAssemblyName;
+        private string baFactoryAssemblyPath;
+        public BootstrapperApplicationFactory(string baFactoryAssemblyName, string baFactoryAssemblyPath)
+        {
+            this.baFactoryAssemblyName = baFactoryAssemblyName;
+            this.baFactoryAssemblyPath = baFactoryAssemblyPath;
+        }
+        /// <summary>
+        /// Loads the bootstrapper application assembly and calls its IBootstrapperApplicationFactory.Create method.
+        /// </summary>
+        /// <param name="pArgs">Pointer to BOOTSTRAPPER_CREATE_ARGS struct.</param>
+        /// <param name="pResults">Pointer to BOOTSTRAPPER_CREATE_RESULTS struct.</param>
+        /// <exception cref="MissingAttributeException">The bootstrapper application assembly
+        /// does not define the <see cref="BootstrapperApplicationFactoryAttribute"/>.</exception>
+        public void Create(IntPtr pArgs, IntPtr pResults)
+        {
+            // Load the BA's IBootstrapperApplicationFactory.
+            var baFactoryType = BootstrapperApplicationFactory.GetBAFactoryTypeFromAssembly(this.baFactoryAssemblyName, this.baFactoryAssemblyPath);
+            var baFactory = Activator.CreateInstance(baFactoryType);
+            if (null == baFactory)
+            {
+                throw new InvalidBootstrapperApplicationFactoryException();
+            }
+            var createMethod = baFactoryType.GetMethod(nameof(Create), new[] { typeof(IntPtr), typeof(IntPtr) });
+            if (null == createMethod)
+            {
+                throw new InvalidBootstrapperApplicationFactoryException();
+            }
+            createMethod.Invoke(baFactory, new object[] { pArgs, pResults });
+        }
+        /// <summary>
+        /// Locates the <see cref="BootstrapperApplicationFactoryAttribute"/> and returns the specified type.
+        /// </summary>
+        /// <param name="assemblyName">The assembly that defines the IBootstrapperApplicationFactory implementation.</param>
+        /// <returns>The bootstrapper application factory <see cref="Type"/>.</returns>
+        private static Type GetBAFactoryTypeFromAssembly(string assemblyName, string assemblyPath)
+        {
+            // The default ALC shouldn't need help loading the assembly, since the host should have provided the deps.json
+            // when starting the runtime. But it doesn't hurt so keep this in case an isolated ALC is ever needed.
+            var alc = new DnchostAssemblyLoadContext(assemblyPath, false);
+            var asm = alc.LoadFromAssemblyName(new AssemblyName(assemblyName));
+            var attr = asm.GetCustomAttributes()
+                          .Where(a => a.GetType().FullName == "WixToolset.Mba.Core.BootstrapperApplicationFactoryAttribute")
+                          .SingleOrDefault();
+            if (null == attr)
+            {
+                throw new MissingAttributeException();
+            }
+            var baFactoryTypeProperty = attr.GetType().GetProperty("BootstrapperApplicationFactoryType", typeof(Type));
+            if (baFactoryTypeProperty == null || baFactoryTypeProperty.GetMethod == null)
+            {
+                throw new MissingAttributeException();
+            }
+            var baFactoryType = (Type)baFactoryTypeProperty.GetMethod.Invoke(attr, null);
+            return baFactoryType;
+        }
+        // Entry point for the DNC host.
+        public static IBootstrapperApplicationFactory CreateBAFactory([MarshalAs(UnmanagedType.LPWStr)] string baFactoryAssemblyName, [MarshalAs(UnmanagedType.LPWStr)] string baFactoryAssemblyPath)
+        {
+            return new BootstrapperApplicationFactory(baFactoryAssemblyName, baFactoryAssemblyPath);
+        }
+    }
+}
diff --git a/src/WixToolset.Dnc.Host/DnchostAssemblyLoadContext.cs b/src/WixToolset.Dnc.Host/DnchostAssemblyLoadContext.cs
new file mode 100644
index 00000000..1a383058
--- /dev/null
+++ b/src/WixToolset.Dnc.Host/DnchostAssemblyLoadContext.cs
@@ -0,0 +1,58 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolset.Dnc.Host
+{
+    using System;
+    using System.Reflection;
+    using System.Runtime.Loader;
+    public sealed class DnchostAssemblyLoadContext : AssemblyLoadContext
+    {
+        private readonly AssemblyDependencyResolver resolver;
+        public DnchostAssemblyLoadContext(string assemblyPath, bool isolateFromDefault)
+            : base(nameof(DnchostAssemblyLoadContext), isolateFromDefault)
+        {
+            this.resolver = new AssemblyDependencyResolver(assemblyPath);
+            if (!this.IsCollectible)
+            {
+                AssemblyLoadContext.Default.Resolving += this.ResolveAssembly;
+                AssemblyLoadContext.Default.ResolvingUnmanagedDll += this.ResolveUnmanagedDll;
+            }
+        }
+        private Assembly ResolveAssembly(AssemblyLoadContext defaultAlc, AssemblyName assemblyName)
+        {
+            var path = this.resolver.ResolveAssemblyToPath(assemblyName);
+            if (path != null)
+            {
+                var targetAlc = this.IsCollectible ? this : defaultAlc;
+                return targetAlc.LoadFromAssemblyPath(path);
+            }
+            return null;
+        }
+        private IntPtr ResolveUnmanagedDll(Assembly assembly, string unmanagedDllName)
+        {
+            var path = this.resolver.ResolveUnmanagedDllToPath(unmanagedDllName);
+            if (path != null)
+            {
+                return this.LoadUnmanagedDllFromPath(path);
+            }
+            return IntPtr.Zero;
+        }
+        protected override Assembly Load(AssemblyName assemblyName)
+        {
+            return this.ResolveAssembly(AssemblyLoadContext.Default, assemblyName);
+        }
+        protected override IntPtr LoadUnmanagedDll(string unmanagedDllName)
+        {
+            return this.ResolveUnmanagedDll(null, unmanagedDllName);
+        }
+    }
+}
diff --git a/src/WixToolset.Dnc.Host/Exceptions.cs b/src/WixToolset.Dnc.Host/Exceptions.cs
new file mode 100644
index 00000000..32d4d4c5
--- /dev/null
+++ b/src/WixToolset.Dnc.Host/Exceptions.cs
@@ -0,0 +1,145 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolset.Dnc.Host
+{
+    using System;
+    using System.Runtime.Serialization;
+    /// <summary>
+    /// Base class for exception returned to the bootstrapper application host.
+    /// </summary>
+    [Serializable]
+    public abstract class BootstrapperException : Exception
+    {
+        /// <summary>
+        /// Creates an instance of the <see cref="BootstrapperException"/> base class with the given HRESULT.
+        /// </summary>
+        /// <param name="hr">The HRESULT for the exception that is used by the bootstrapper application host.</param>
+        public BootstrapperException(int hr)
+        {
+            this.HResult = hr;
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BootstrapperException"/> class.
+        /// </summary>
+        /// <param name="message">Exception message.</param>
+        public BootstrapperException(string message)
+            : base(message)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BootstrapperException"/> class.
+        /// </summary>
+        /// <param name="message">Exception message</param>
+        /// <param name="innerException">Inner exception associated with this one</param>
+        public BootstrapperException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BootstrapperException"/> class.
+        /// </summary>
+        /// <param name="info">Serialization information for this exception</param>
+        /// <param name="context">Streaming context to serialize to</param>
+        protected BootstrapperException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+    }
+    /// <summary>
+    /// The bootstrapper application assembly loaded by the host does not contain exactly one instance of the
+    /// <see cref="Core.BootstrapperApplicationFactoryAttribute"/> class.
+    /// </summary>
+    /// <seealso cref="Core.BootstrapperApplicationFactoryAttribute"/>
+    [Serializable]
+    public class MissingAttributeException : BootstrapperException
+    {
+        /// <summary>
+        /// Creates a new instance of the <see cref="MissingAttributeException"/> class.
+        /// </summary>
+        public MissingAttributeException()
+            : base(NativeMethods.E_NOTFOUND)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MissingAttributeException"/> class.
+        /// </summary>
+        /// <param name="message">Exception message.</param>
+        public MissingAttributeException(string message)
+            : base(message)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MissingAttributeException"/> class.
+        /// </summary>
+        /// <param name="message">Exception message</param>
+        /// <param name="innerException">Inner exception associated with this one</param>
+        public MissingAttributeException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MissingAttributeException"/> class.
+        /// </summary>
+        /// <param name="info">Serialization information for this exception</param>
+        /// <param name="context">Streaming context to serialize to</param>
+        protected MissingAttributeException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+    }
+    /// <summary>
+    /// The bootstrapper application factory specified by the <see cref="Core.BootstrapperApplicationFactoryAttribute"/>
+    ///  does not extend the <see cref="Core.IBootstrapperApplicationFactory"/> base class.
+    /// </summary>
+    /// <seealso cref="Core.BaseBootstrapperApplicationFactory"/>
+    /// <seealso cref="Core.BootstrapperApplicationFactoryAttribute"/>
+    [Serializable]
+    public class InvalidBootstrapperApplicationFactoryException : BootstrapperException
+    {
+        /// <summary>
+        /// Creates a new instance of the <see cref="InvalidBootstrapperApplicationFactoryException"/> class.
+        /// </summary>
+        public InvalidBootstrapperApplicationFactoryException()
+            : base(NativeMethods.E_UNEXPECTED)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="InvalidBootstrapperApplicationFactoryException"/> class.
+        /// </summary>
+        /// <param name="message">Exception message.</param>
+        public InvalidBootstrapperApplicationFactoryException(string message)
+            : base(message)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="InvalidBootstrapperApplicationFactoryException"/> class.
+        /// </summary>
+        /// <param name="message">Exception message</param>
+        /// <param name="innerException">Inner exception associated with this one</param>
+        public InvalidBootstrapperApplicationFactoryException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
+        /// <summary>
+        /// Initializes a new instance of the <see cref="InvalidBootstrapperApplicationFactoryException"/> class.
+        /// </summary>
+        /// <param name="info">Serialization information for this exception</param>
+        /// <param name="context">Streaming context to serialize to</param>
+        protected InvalidBootstrapperApplicationFactoryException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+    }
+}
diff --git a/src/WixToolset.Dnc.Host/IBootstrapperApplicationFactory.cs b/src/WixToolset.Dnc.Host/IBootstrapperApplicationFactory.cs
new file mode 100644
index 00000000..96731192
--- /dev/null
+++ b/src/WixToolset.Dnc.Host/IBootstrapperApplicationFactory.cs
@@ -0,0 +1,16 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolset.Dnc.Host
+{
+    using System;
+    using System.Runtime.InteropServices;
+    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    public interface IBootstrapperApplicationFactory
+    {
+        void Create(
+            IntPtr pArgs,
+            IntPtr pResults
+            );
+    }
+}
diff --git a/src/WixToolset.Dnc.Host/NativeMethods.cs b/src/WixToolset.Dnc.Host/NativeMethods.cs
new file mode 100644
index 00000000..6dc393c6
--- /dev/null
+++ b/src/WixToolset.Dnc.Host/NativeMethods.cs
@@ -0,0 +1,18 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolset.Dnc.Host
+{
+    using System;
+    using System.Runtime.InteropServices;
+    /// <summary>
+    /// Contains native constants, functions, and structures for this assembly.
+    /// </summary>
+    internal static class NativeMethods
+    {
+        #region Error Constants
+        internal const int E_NOTFOUND = unchecked((int)0x80070490);
+        internal const int E_UNEXPECTED = unchecked((int)0x8000ffff);
+        #endregion
+    }
+}
diff --git a/src/WixToolset.Dnc.Host/WixToolset.Dnc.Host.csproj b/src/WixToolset.Dnc.Host/WixToolset.Dnc.Host.csproj
new file mode 100644
index 00000000..09580c2d
--- /dev/null
+++ b/src/WixToolset.Dnc.Host/WixToolset.Dnc.Host.csproj
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <RootNamespace>WixToolset.Dnc.Host</RootNamespace>
+    <Description>WiX Toolset .NET Core BA Host</Description>
+    <Title>WiX Toolset .NET Core BA Host</Title>
+  </PropertyGroup>
+  <ItemGroup>
+    <HeaderPath Include="$(BaseOutputPath)obj\$(AssemblyName).h">
+      <Visible>False</Visible>
+    </HeaderPath>
+  </ItemGroup>
+  <Target Name="GenerateIdentityHeader" AfterTargets="Build" Inputs="$(TargetPath)" Outputs="@(HeaderPath)">
+    <GetAssemblyIdentity AssemblyFiles="$(TargetPath)">
+      <Output TaskParameter="Assemblies" ItemName="AssemblyIdentity" />
+    </GetAssemblyIdentity>
+    <ItemGroup>
+      <Line Include='#define DNC_ASSEMBLY_FILE_NAME L"$(AssemblyName).dll"' />
+      <Line Include='#define DNC_ASSEMBLY_FULL_NAME "%(AssemblyIdentity.Identity)"' />
+      <Line Include='#define DNC_ENTRY_TYPE "$(RootNamespace).BootstrapperApplicationFactory"' />
+      <Line Include='#define DNC_STATIC_ENTRY_METHOD "CreateBAFactory"' />
+    </ItemGroup>
+    <Message Importance="normal" Text="Generating identity definitions into @(HeaderPath->'%(FullPath)')" />
+    <WriteLinesToFile File="@(HeaderPath)" Lines="@(Line)" Overwrite="True" />
+    <ItemGroup>
+      <FileWrites Include="@(HeaderPath)" />
+    </ItemGroup>
+  </Target>
+  <ItemGroup>
+    <PackageReference Include="Nerdbank.GitVersioning" Version="2.1.65" PrivateAssets="all" />
+  </ItemGroup>
+</Project>
diff --git a/src/WixToolset.Mba.Host/BootstrapperApplicationFactory.cs b/src/WixToolset.Mba.Host/BootstrapperApplicationFactory.cs
index 9385d1d1..78e68bd9 100644
--- a/src/WixToolset.Mba.Host/BootstrapperApplicationFactory.cs
+++ b/src/WixToolset.Mba.Host/BootstrapperApplicationFactory.cs
@@ -9,13 +9,14 @@ namespace WixToolset.Mba.Host
    using WixToolset.Mba.Core;
    /// <summary>
-    /// Entry point for the MBA host to create and return the BA to the engine.
+    /// Entry point for the managed host to create and return the BA to the engine.
    /// </summary>
    [ClassInterface(ClassInterfaceType.None)]
    public sealed class BootstrapperApplicationFactory : MarshalByRefObject, IBootstrapperApplicationFactory
    {
        /// <summary>
        /// Creates a new instance of the <see cref="BootstrapperApplicationFactory"/> class.
+        /// Entry point for the MBA host.
        /// </summary>
        public BootstrapperApplicationFactory()
        {
diff --git a/src/WixToolset.Mba.Host/WixToolset.Mba.Host.csproj b/src/WixToolset.Mba.Host/WixToolset.Mba.Host.csproj
index 4b257195..65467acc 100644
--- a/src/WixToolset.Mba.Host/WixToolset.Mba.Host.csproj
+++ b/src/WixToolset.Mba.Host/WixToolset.Mba.Host.csproj
@@ -60,9 +60,9 @@
      <Output TaskParameter="Assemblies" ItemName="AssemblyIdentity" />
    </GetAssemblyIdentity>
    <ItemGroup>
-      <Line Include="#define MBA_ASSEMBLY_FULL_NAME L&quot;%(AssemblyIdentity.Identity)&quot;" />
+      <Line Include='#define MBA_ASSEMBLY_FULL_NAME L"%(AssemblyIdentity.Identity)"' />
-      <Line Include="#define MBA_CONFIG_FILE_NAME L&quot;$(AssemblyName).config&quot;" />
+      <Line Include='#define MBA_CONFIG_FILE_NAME L"$(AssemblyName).config"' />
-      <Line Include="#define MBA_ENTRY_TYPE L&quot;$(RootNamespace).BootstrapperApplicationFactory&quot;" />
+      <Line Include='#define MBA_ENTRY_TYPE L"$(RootNamespace).BootstrapperApplicationFactory"' />
    </ItemGroup>
    <Message Importance="normal" Text="Generating identity definitions into @(HeaderPath->'%(FullPath)')" />
    <WriteLinesToFile File="@(HeaderPath)" Lines="@(Line)" Overwrite="True" />
diff --git a/src/dnchost/coreclrhost.h b/src/dnchost/coreclrhost.h
new file mode 100644
index 00000000..07f28735
--- /dev/null
+++ b/src/dnchost/coreclrhost.h
@@ -0,0 +1,137 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+// ***** ABOUT THIS HEADER *****
+// **************************************************************************************
+//
+// This is the version on 2019-12-22 from
+// https://github.com/dotnet/runtime/blob/master/src/coreclr/src/coreclr/hosts/inc/coreclrhost.h
+//
+// **************************************************************************************
+// ****************************
+//
+// APIs for hosting CoreCLR
+//
+#ifndef __CORECLR_HOST_H__
+#define __CORECLR_HOST_H__
+#if defined(_WIN32) && defined(_M_IX86)
+#define CORECLR_CALLING_CONVENTION __stdcall
+#else
+#define CORECLR_CALLING_CONVENTION
+#endif
+// For each hosting API, we define a function prototype and a function pointer
+// The prototype is useful for implicit linking against the dynamic coreclr
+// library and the pointer for explicit dynamic loading (dlopen, LoadLibrary)
+#define CORECLR_HOSTING_API(function, ...) \
+    extern "C" int CORECLR_CALLING_CONVENTION function(__VA_ARGS__); \
+    typedef int (CORECLR_CALLING_CONVENTION *function##_ptr)(__VA_ARGS__)
+//
+// Initialize the CoreCLR. Creates and starts CoreCLR host and creates an app domain
+//
+// Parameters:
+//  exePath                 - Absolute path of the executable that invoked the ExecuteAssembly (the native host application)
+//  appDomainFriendlyName   - Friendly name of the app domain that will be created to execute the assembly
+//  propertyCount           - Number of properties (elements of the following two arguments)
+//  propertyKeys            - Keys of properties of the app domain
+//  propertyValues          - Values of properties of the app domain
+//  hostHandle              - Output parameter, handle of the created host
+//  domainId                - Output parameter, id of the created app domain
+//
+// Returns:
+//  HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
+//
+CORECLR_HOSTING_API(coreclr_initialize,
+            const char* exePath,
+            const char* appDomainFriendlyName,
+            int propertyCount,
+            const char** propertyKeys,
+            const char** propertyValues,
+            void** hostHandle,
+            unsigned int* domainId);
+//
+// Shutdown CoreCLR. It unloads the app domain and stops the CoreCLR host.
+//
+// Parameters:
+//  hostHandle              - Handle of the host
+//  domainId                - Id of the domain
+//
+// Returns:
+//  HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
+//
+CORECLR_HOSTING_API(coreclr_shutdown,
+            void* hostHandle,
+            unsigned int domainId);
+//
+// Shutdown CoreCLR. It unloads the app domain and stops the CoreCLR host.
+//
+// Parameters:
+//  hostHandle              - Handle of the host
+//  domainId                - Id of the domain
+//  latchedExitCode         - Latched exit code after domain unloaded
+//
+// Returns:
+//  HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
+//
+CORECLR_HOSTING_API(coreclr_shutdown_2,
+            void* hostHandle,
+            unsigned int domainId,
+            int* latchedExitCode);
+//
+// Create a native callable function pointer for a managed method.
+//
+// Parameters:
+//  hostHandle              - Handle of the host
+//  domainId                - Id of the domain
+//  entryPointAssemblyName  - Name of the assembly which holds the custom entry point
+//  entryPointTypeName      - Name of the type which holds the custom entry point
+//  entryPointMethodName    - Name of the method which is the custom entry point
+//  delegate                - Output parameter, the function stores a native callable function pointer to the delegate at the specified address
+//
+// Returns:
+//  HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
+//
+CORECLR_HOSTING_API(coreclr_create_delegate,
+            void* hostHandle,
+            unsigned int domainId,
+            const char* entryPointAssemblyName,
+            const char* entryPointTypeName,
+            const char* entryPointMethodName,
+            void** delegate);
+//
+// Execute a managed assembly with given arguments
+//
+// Parameters:
+//  hostHandle              - Handle of the host
+//  domainId                - Id of the domain
+//  argc                    - Number of arguments passed to the executed assembly
+//  argv                    - Array of arguments passed to the executed assembly
+//  managedAssemblyPath     - Path of the managed assembly to execute (or NULL if using a custom entrypoint).
+//  exitCode                - Exit code returned by the executed assembly
+//
+// Returns:
+//  HRESULT indicating status of the operation. S_OK if the assembly was successfully executed
+//
+CORECLR_HOSTING_API(coreclr_execute_assembly,
+            void* hostHandle,
+            unsigned int domainId,
+            int argc,
+            const char** argv,
+            const char* managedAssemblyPath,
+            unsigned int* exitCode);
+#undef CORECLR_HOSTING_API
+#endif // __CORECLR_HOST_H__
+\ No newline at end of file
diff --git a/src/dnchost/dnchost.cpp b/src/dnchost/dnchost.cpp
new file mode 100644
index 00000000..c4b0d222
--- /dev/null
+++ b/src/dnchost/dnchost.cpp
@@ -0,0 +1,229 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+#include "precomp.h"
+static DNCSTATE vstate = { };
+// internal function declarations
+static HRESULT LoadModulePaths(
+    __in DNCSTATE* pState
+    );
+static HRESULT LoadDncConfiguration(
+    __in DNCSTATE* pState,
+    __in const BOOTSTRAPPER_CREATE_ARGS* pArgs
+    );
+static HRESULT LoadRuntime(
+    __in DNCSTATE* pState
+    );
+static HRESULT LoadManagedBootstrapperApplicationFactory(
+    __in DNCSTATE* pState
+    );
+// function definitions
+extern "C" BOOL WINAPI DllMain(
+    IN HINSTANCE hInstance,
+    IN DWORD dwReason,
+    IN LPVOID /* pvReserved */
+    )
+{
+    switch (dwReason)
+    {
+    case DLL_PROCESS_ATTACH:
+        ::DisableThreadLibraryCalls(hInstance);
+        vstate.hInstance = hInstance;
+        break;
+    case DLL_PROCESS_DETACH:
+        vstate.hInstance = NULL;
+        break;
+    }
+    return TRUE;
+}
+extern "C" HRESULT WINAPI BootstrapperApplicationCreate(
+    __in const BOOTSTRAPPER_CREATE_ARGS* pArgs,
+    __inout BOOTSTRAPPER_CREATE_RESULTS* pResults
+    )
+{
+    HRESULT hr = S_OK;
+    IBootstrapperEngine* pEngine = NULL;
+    // coreclr.dll doesn't support unloading, so the rest of the .NET Core hosting stack doesn't support it either.
+    // This means we also can't unload.
+    pResults->fDisableUnloading = TRUE;
+    hr = BalInitializeFromCreateArgs(pArgs, &pEngine);
+    ExitOnFailure(hr, "Failed to initialize Bal.");
+    if (!vstate.fInitialized)
+    {
+        hr = XmlInitialize();
+        BalExitOnFailure(hr, "Failed to initialize XML.");
+        hr = LoadModulePaths(&vstate);
+        BalExitOnFailure(hr, "Failed to get the host base path.");
+        hr = LoadDncConfiguration(&vstate, pArgs);
+        BalExitOnFailure(hr, "Failed to get the dnc configuration.");
+        vstate.fInitialized = TRUE;
+    }
+    if (!vstate.fInitializedRuntime)
+    {
+        hr = LoadRuntime(&vstate);
+        BalExitOnFailure(hr, "Failed to load .NET Core runtime.");
+        vstate.fInitializedRuntime = TRUE;
+        hr = LoadManagedBootstrapperApplicationFactory(&vstate);
+        BalExitOnFailure(hr, "Failed to create the .NET Core bootstrapper application factory.");
+    }
+    BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Loading .NET Core SCD bootstrapper application.");
+    hr = vstate.pAppFactory->Create(pArgs, pResults);
+    BalExitOnFailure(hr, "Failed to create the .NET Core bootstrapper application.");
+LExit:
+    ReleaseNullObject(pEngine);
+    return hr;
+}
+extern "C" void WINAPI BootstrapperApplicationDestroy()
+{
+    BalUninitialize();
+}
+static HRESULT LoadModulePaths(
+    __in DNCSTATE* pState
+    )
+{
+    HRESULT hr = S_OK;
+    hr = PathForCurrentProcess(&pState->sczModuleFullPath, pState->hInstance);
+    BalExitOnFailure(hr, "Failed to get the full host path.");
+    hr = PathGetDirectory(pState->sczModuleFullPath, &pState->sczAppBase);
+    BalExitOnFailure(hr, "Failed to get the directory of the full process path.");
+    hr = PathConcat(pState->sczAppBase, DNC_ASSEMBLY_FILE_NAME, &pState->sczManagedHostPath);
+    BalExitOnFailure(hr, "Failed to create managed host path.");
+LExit:
+    return hr;
+}
+static HRESULT LoadDncConfiguration(
+    __in DNCSTATE* pState,
+    __in const BOOTSTRAPPER_CREATE_ARGS* pArgs
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMDocument* pixdManifest = NULL;
+    IXMLDOMNode* pixnHost = NULL;
+    IXMLDOMNode* pixnPayload = NULL;
+    LPWSTR sczPayloadId = NULL;
+    LPWSTR sczPayloadXPath = NULL;
+    LPWSTR sczPayloadName = NULL;
+    hr = XmlLoadDocumentFromFile(pArgs->pCommand->wzBootstrapperApplicationDataPath, &pixdManifest);
+    BalExitOnFailure(hr, "Failed to load BalManifest '%ls'", pArgs->pCommand->wzBootstrapperApplicationDataPath);
+    hr = XmlSelectSingleNode(pixdManifest, L"/BootstrapperApplicationData/WixBalBAFactoryAssembly", &pixnHost);
+    BalExitOnFailure(hr, "Failed to get WixBalBAFactoryAssembly element.");
+    if (S_FALSE == hr)
+    {
+        hr = E_NOTFOUND;
+        BalExitOnRootFailure(hr, "Failed to find WixBalBAFactoryAssembly element in bootstrapper application config.");
+    }
+    hr = XmlGetAttributeEx(pixnHost, L"PayloadId", &sczPayloadId);
+    BalExitOnFailure(hr, "Failed to get WixBalBAFactoryAssembly/@PayloadId.");
+    hr = StrAllocFormatted(&sczPayloadXPath, L"/BootstrapperApplicationData/WixPayloadProperties[@Payload='%ls']", sczPayloadId);
+    BalExitOnFailure(hr, "Failed to format BAFactoryAssembly payload XPath.");
+    hr = XmlSelectSingleNode(pixdManifest, sczPayloadXPath, &pixnPayload);
+    if (S_FALSE == hr)
+    {
+        hr = E_NOTFOUND;
+    }
+    BalExitOnFailure(hr, "Failed to find WixPayloadProperties node for BAFactoryAssembly PayloadId: %ls.", sczPayloadId);
+    hr = XmlGetAttributeEx(pixnPayload, L"Name", &sczPayloadName);
+    BalExitOnFailure(hr, "Failed to get BAFactoryAssembly payload Name.");
+    hr = PathConcat(pArgs->pCommand->wzBootstrapperWorkingFolder, sczPayloadName, &pState->sczBaFactoryAssemblyPath);
+    BalExitOnFailure(hr, "Failed to create BaFactoryAssemblyPath.");
+    LPCWSTR wzFileName = PathFile(pState->sczBaFactoryAssemblyPath);
+    LPCWSTR wzExtension = PathExtension(pState->sczBaFactoryAssemblyPath);
+    if (!wzExtension)
+    {
+        BalExitOnFailure(hr = E_FAIL, "BaFactoryAssemblyPath has no extension.");
+    }
+    hr = StrAllocString(&pState->sczBaFactoryAssemblyName, wzFileName, wzExtension - wzFileName);
+    BalExitOnFailure(hr, "Failed to copy BAFactoryAssembly payload Name.");
+    hr = StrAllocString(&pState->sczBaFactoryDepsJsonPath, pState->sczBaFactoryAssemblyPath, wzExtension - pState->sczBaFactoryAssemblyPath);
+    BalExitOnFailure(hr, "Failed to initialize deps json path.");
+    hr = StrAllocString(&pState->sczBaFactoryRuntimeConfigPath, pState->sczBaFactoryDepsJsonPath, 0);
+    BalExitOnFailure(hr, "Failed to initialize runtime config path.");
+    hr = StrAllocConcat(&pState->sczBaFactoryDepsJsonPath, L".deps.json", 0);
+    BalExitOnFailure(hr, "Failed to concat extension to deps json path.");
+    hr = StrAllocConcat(&pState->sczBaFactoryRuntimeConfigPath, L".runtimeconfig.json", 0);
+    BalExitOnFailure(hr, "Failed to concat extension to runtime config path.");
+LExit:
+    ReleaseStr(sczPayloadName);
+    ReleaseObject(pixnPayload);
+    ReleaseStr(sczPayloadXPath);
+    ReleaseStr(sczPayloadId);
+    ReleaseObject(pixnHost);
+    ReleaseObject(pixdManifest);
+    return hr;
+}
+static HRESULT LoadRuntime(
+    __in DNCSTATE* pState
+    )
+{
+    HRESULT hr = S_OK;
+    hr = DnchostLoadRuntime(
+        &pState->hostfxrState,
+        pState->sczModuleFullPath,
+        pState->sczManagedHostPath,
+        pState->sczBaFactoryDepsJsonPath,
+        pState->sczBaFactoryRuntimeConfigPath);
+    return hr;
+}
+static HRESULT LoadManagedBootstrapperApplicationFactory(
+    __in DNCSTATE* pState
+    )
+{
+    HRESULT hr = S_OK;
+    hr = DnchostCreateFactory(
+        &pState->hostfxrState,
+        pState->sczBaFactoryAssemblyName,
+        pState->sczBaFactoryAssemblyPath,
+        &pState->pAppFactory);
+    return hr;
+}
diff --git a/src/dnchost/dnchost.def b/src/dnchost/dnchost.def
new file mode 100644
index 00000000..4488df94
--- /dev/null
+++ b/src/dnchost/dnchost.def
@@ -0,0 +1,6 @@
+; Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+EXPORTS
+    BootstrapperApplicationCreate
+    BootstrapperApplicationDestroy
diff --git a/src/dnchost/dnchost.h b/src/dnchost/dnchost.h
new file mode 100644
index 00000000..e498edaf
--- /dev/null
+++ b/src/dnchost/dnchost.h
@@ -0,0 +1,19 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+struct DNCSTATE
+{
+    BOOL fInitialized;
+    BOOL fInitializedRuntime;
+    HINSTANCE hInstance;
+    LPWSTR sczModuleFullPath;
+    LPWSTR sczAppBase;
+    LPWSTR sczManagedHostPath;
+    LPWSTR sczBaFactoryAssemblyName;
+    LPWSTR sczBaFactoryAssemblyPath;
+    LPWSTR sczBaFactoryDepsJsonPath;
+    LPWSTR sczBaFactoryRuntimeConfigPath;
+    HOSTFXR_STATE hostfxrState;
+    IBootstrapperApplicationFactory* pAppFactory;
+};
diff --git a/src/dnchost/dnchost.vcxproj b/src/dnchost/dnchost.vcxproj
new file mode 100644
index 00000000..e2b8b529
--- /dev/null
+++ b/src/dnchost/dnchost.vcxproj
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\WixToolset.BalUtil.4.0.19\build\WixToolset.BalUtil.props" Condition="Exists('..\..\packages\WixToolset.BalUtil.4.0.19\build\WixToolset.BalUtil.props')" />
+  <Import Project="..\..\packages\WixToolset.BootstrapperCore.Native.4.0.15\build\WixToolset.BootstrapperCore.Native.props" Condition="Exists('..\..\packages\WixToolset.BootstrapperCore.Native.4.0.15\build\WixToolset.BootstrapperCore.Native.props')" />
+  <Import Project="..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{B6F70281-6583-4138-BB7F-AABFEBBB3CA2}</ProjectGuid>
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <PlatformToolset>v141</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+    <TargetName>dnchost</TargetName>
+    <ProjectModuleDefinitionFile>dnchost.def</ProjectModuleDefinitionFile>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <PropertyGroup>
+    <NetHostPath>..\..\packages\runtime.win-x86.Microsoft.NETCore.DotNetAppHost.3.1.3\runtimes\win-x86\native\</NetHostPath>
+    <ProjectAdditionalLinkLibraries>shlwapi.lib;$(NetHostPath)nethost.lib</ProjectAdditionalLinkLibraries>
+  </PropertyGroup>
+  <ItemGroup>
+    <ClCompile Include="dnchost.cpp" />
+    <ClCompile Include="dncutil.cpp" />
+    <ClCompile Include="precomp.cpp">
+      <PrecompiledHeader>Create</PrecompiledHeader>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="coreclrhost.h" />
+    <ClInclude Include="dnchost.h" />
+    <ClInclude Include="dncutil.h" />
+    <ClInclude Include="hostfxr.h" />
+    <ClInclude Include="precomp.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="dnchost.def" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+    <Content Include="$(NetHostPath)nethost.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Visible>False</Visible>
+    </Content>
+  </ItemGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalIncludeDirectories>$(BaseOutputPath)obj;$(NetHostPath);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\WixToolset.Dnc.Host\WixToolset.Dnc.Host.csproj">
+      <Project>{0D780900-C2FF-4FA2-8CB5-8A19768724C5}</Project>
+      <SkipGetTargetFrameworkProperties>true</SkipGetTargetFrameworkProperties>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <Import Project="..\..\packages\Nerdbank.GitVersioning.2.1.65\build\Nerdbank.GitVersioning.targets" Condition="Exists('..\..\packages\Nerdbank.GitVersioning.2.1.65\build\Nerdbank.GitVersioning.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\WixToolset.BalUtil.4.0.19\build\WixToolset.BalUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.BalUtil.4.0.19\build\WixToolset.BalUtil.props'))" />
+    <Error Condition="!Exists('..\..\packages\WixToolset.BootstrapperCore.Native.4.0.15\build\WixToolset.BootstrapperCore.Native.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.BootstrapperCore.Native.4.0.15\build\WixToolset.BootstrapperCore.Native.props'))" />
+    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props'))" />
+    <Error Condition="!Exists('..\..\packages\Nerdbank.GitVersioning.2.1.65\build\Nerdbank.GitVersioning.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Nerdbank.GitVersioning.2.1.65\build\Nerdbank.GitVersioning.targets'))" />
+  </Target>
+</Project>
+\ No newline at end of file
diff --git a/src/dnchost/dncutil.cpp b/src/dnchost/dncutil.cpp
new file mode 100644
index 00000000..996bf086
--- /dev/null
+++ b/src/dnchost/dncutil.cpp
@@ -0,0 +1,359 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+#include "precomp.h"
+// https://github.com/dotnet/runtime/blob/master/src/installer/corehost/error_codes.h
+#define HostApiBufferTooSmall 0x80008098
+// internal function declarations
+static HRESULT GetHostfxrPath(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath
+    );
+static HRESULT LoadHostfxr(
+    __in HOSTFXR_STATE* pState
+    );
+static HRESULT InitializeHostfxr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzManagedHostPath,
+    __in LPCWSTR wzDepsJsonPath,
+    __in LPCWSTR wzRuntimeConfigPath
+    );
+static HRESULT InitializeCoreClr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath
+    );
+static HRESULT LoadCoreClr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzCoreClrPath
+    );
+static HRESULT StartCoreClr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath,
+    __in size_t cProperties,
+    __in LPCWSTR* propertyKeys,
+    __in LPCWSTR* propertyValues
+    );
+// function definitions
+HRESULT DnchostLoadRuntime(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath,
+    __in LPCWSTR wzManagedHostPath,
+    __in LPCWSTR wzDepsJsonPath,
+    __in LPCWSTR wzRuntimeConfigPath
+    )
+{
+    HRESULT hr = S_OK;
+    hr = GetHostfxrPath(pState, wzNativeHostPath);
+    BalExitOnFailure(hr, "Failed to find hostfxr.");
+    hr = LoadHostfxr(pState);
+    BalExitOnFailure(hr, "Failed to load hostfxr.");
+    hr = InitializeHostfxr(pState, wzManagedHostPath, wzDepsJsonPath, wzRuntimeConfigPath);
+    BalExitOnFailure(hr, "Failed to initialize hostfxr.");
+    hr = InitializeCoreClr(pState, wzNativeHostPath);
+    BalExitOnFailure(hr, "Failed to initialize coreclr.");
+LExit:
+    return hr;
+}
+HRESULT DnchostCreateFactory(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzBaFactoryAssemblyName,
+    __in LPCWSTR wzBaFactoryAssemblyPath,
+    __out IBootstrapperApplicationFactory** ppAppFactory
+    )
+{
+    HRESULT hr = S_OK;
+    PFNCREATEBAFACTORY pfnCreateBAFactory = NULL;
+    hr = pState->pfnCoreclrCreateDelegate(
+        pState->pClrHandle,
+        pState->dwDomainId,
+        DNC_ASSEMBLY_FULL_NAME,
+        DNC_ENTRY_TYPE,
+        DNC_STATIC_ENTRY_METHOD,
+        reinterpret_cast<void**>(&pfnCreateBAFactory));
+    BalExitOnFailure(hr, "Failed to create delegate in app domain.");
+    *ppAppFactory = pfnCreateBAFactory(wzBaFactoryAssemblyName, wzBaFactoryAssemblyPath);
+LExit:
+    return hr;
+}
+static HRESULT GetHostfxrPath(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath
+    )
+{
+    HRESULT hr = S_OK;
+    get_hostfxr_parameters getHostfxrParameters = { };
+    int nrc = 0;
+    size_t cchHostFxrPath = MAX_PATH;
+    getHostfxrParameters.size = sizeof(get_hostfxr_parameters);
+    getHostfxrParameters.assembly_path = wzNativeHostPath;
+    // get_hostfxr_path does a full search on every call, so
+    //    minimize the number of calls
+    //    need to loop
+    for (;;)
+    {
+        cchHostFxrPath *= 2;
+        hr = StrAlloc(&pState->sczHostfxrPath, cchHostFxrPath);
+        BalExitOnFailure(hr, "Failed to allocate hostFxrPath.");
+        nrc = get_hostfxr_path(pState->sczHostfxrPath, &cchHostFxrPath, &getHostfxrParameters);
+        if (HostApiBufferTooSmall != nrc)
+        {
+            break;
+        }
+    }
+    if (0 != nrc)
+    {
+        BalExitOnFailure(hr = nrc, "GetHostfxrPath failed");
+    }
+LExit:
+    return hr;
+}
+static HRESULT LoadHostfxr(
+    __in HOSTFXR_STATE* pState
+    )
+{
+    HRESULT hr = S_OK;
+    HMODULE hHostfxr;
+    hHostfxr = ::LoadLibraryExW(pState->sczHostfxrPath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
+    BalExitOnNullWithLastError(hHostfxr, hr, "Failed to load hostfxr from '%ls'.", pState->sczHostfxrPath);
+    pState->pfnHostfxrInitializeForApp = reinterpret_cast<hostfxr_initialize_for_dotnet_command_line_fn>(::GetProcAddress(hHostfxr, "hostfxr_initialize_for_dotnet_command_line"));
+    BalExitOnNullWithLastError(pState->pfnHostfxrInitializeForApp, hr, "Failed to get procedure address for hostfxr_initialize_for_dotnet_command_line.");
+    pState->pfnHostfxrGetRuntimeProperties = reinterpret_cast<hostfxr_get_runtime_properties_fn>(::GetProcAddress(hHostfxr, "hostfxr_get_runtime_properties"));
+    BalExitOnNullWithLastError(pState->pfnHostfxrGetRuntimeProperties, hr, "Failed to get procedure address for hostfxr_get_runtime_properties.");
+    pState->pfnHostfxrSetErrorWriter = reinterpret_cast<hostfxr_set_error_writer_fn>(::GetProcAddress(hHostfxr, "hostfxr_set_error_writer"));
+    BalExitOnNullWithLastError(pState->pfnHostfxrSetErrorWriter, hr, "Failed to get procedure address for hostfxr_set_error_writer.");
+    pState->pfnHostfxrClose = reinterpret_cast<hostfxr_close_fn>(::GetProcAddress(hHostfxr, "hostfxr_close"));
+    BalExitOnNullWithLastError(pState->pfnHostfxrClose, hr, "Failed to get procedure address for hostfxr_close.");
+LExit:
+    // Never unload the module since it isn't meant to be unloaded.
+    return hr;
+}
+static void HOSTFXR_CALLTYPE DnchostErrorWriter(
+    __in LPCWSTR wzMessage
+    )
+{
+    BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "error from hostfxr: %ls", wzMessage);
+}
+static HRESULT InitializeHostfxr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzManagedHostPath,
+    __in LPCWSTR wzDepsJsonPath,
+    __in LPCWSTR wzRuntimeConfigPath
+    )
+{
+    HRESULT hr = S_OK;
+    pState->pfnHostfxrSetErrorWriter(static_cast<hostfxr_error_writer_fn>(&DnchostErrorWriter));
+    LPCWSTR argv[] = {
+        L"exec",
+        L"--depsfile",
+        wzDepsJsonPath,
+        L"--runtimeconfig",
+        wzRuntimeConfigPath,
+        wzManagedHostPath,
+    };
+    hr = pState->pfnHostfxrInitializeForApp(sizeof(argv)/sizeof(LPWSTR), argv, NULL, &pState->hostContextHandle);
+    BalExitOnFailure(hr, "HostfxrInitializeForApp failed");
+LExit:
+    return hr;
+}
+static HRESULT InitializeCoreClr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath
+    )
+{
+    HRESULT hr = S_OK;
+    int32_t rc = 0;
+    LPCWSTR* rgPropertyKeys = NULL;
+    LPCWSTR* rgPropertyValues = NULL;
+    size_t cProperties = 0;
+    LPWSTR* rgDirectories = NULL;
+    UINT cDirectories = 0;
+    LPWSTR sczCoreClrPath = NULL;
+    // We are not using hostfxr as it was intended to be used. We need to initialize hostfxr so that it properly initializes hostpolicy -
+    // there are pieces of the framework such as AssemblyDependencyResolver that won't work without that. We also need hostfxr to find a
+    // compatible framework for framework-dependent deployed BAs. We had to use hostfxr_initialize_for_dotnet_command_line since
+    // hostfxr_initialize_for_runtime_config doesn't currently (3.x) support self-contained deployed BAs. That means we're supposed to
+    // start the runtime through hostfxr_run_app, but that method shuts down the runtime before returning. We actually want to call
+    // hostfxr_get_runtime_delegate, but that method currently requires hostfxr to be initialized through
+    // hostfxr_initialize_for_runtime_config. So we're forced to locate coreclr.dll and manually load the runtime ourselves.
+    // Unfortunately, that's not the only problem. hostfxr has global state that tracks whether it started the runtime. While we keep our
+    // hostfxr_handle open, everyone that calls the hostfxr_initialize_* methods will block until we have started the runtime through
+    // hostfxr or closed our handle. If we close the handle, then hostfxr could potentially try to load a second runtime into the
+    // process, which is not supported. We're going to just keep our handle open since no one else in the process should be trying to
+    // start the runtime anyway.
+    rc = pState->pfnHostfxrGetRuntimeProperties(pState->hostContextHandle, &cProperties, rgPropertyKeys, rgPropertyValues);
+    if (HostApiBufferTooSmall != rc)
+    {
+        BalExitOnFailure(hr = rc, "HostfxrGetRuntimeProperties failed to return required size.");
+    }
+    rgPropertyKeys = static_cast<LPCWSTR*>(MemAlloc(sizeof(LPWSTR) * cProperties, TRUE));
+    rgPropertyValues = static_cast<LPCWSTR*>(MemAlloc(sizeof(LPWSTR) * cProperties, TRUE));
+    if (!rgPropertyKeys || !rgPropertyValues)
+    {
+        BalExitOnFailure(hr = E_OUTOFMEMORY, "Failed to allocate buffers for runtime properties.");
+    }
+    hr = pState->pfnHostfxrGetRuntimeProperties(pState->hostContextHandle, &cProperties, rgPropertyKeys, rgPropertyValues);
+    BalExitOnFailure(hr, "HostfxrGetRuntimeProperties failed.");
+    for (DWORD i = 0; i < cProperties; ++i)
+    {
+        if (CSTR_EQUAL == ::CompareString(LOCALE_INVARIANT, 0, rgPropertyKeys[i], -1, L"NATIVE_DLL_SEARCH_DIRECTORIES", -1))
+        {
+            hr = StrSplitAllocArray(&rgDirectories, &cDirectories, rgPropertyValues[i], L";");
+            BalExitOnFailure(hr, "Failed to split NATIVE_DLL_SEARCH_DIRECTORIES '%ls'", rgPropertyValues[i]);
+        }
+    }
+    for (DWORD i = 0; i < cDirectories; ++i)
+    {
+        hr = PathConcat(rgDirectories[i], L"coreclr.dll", &sczCoreClrPath);
+        BalExitOnFailure(hr, "Failed to allocate path to coreclr.");
+        if (::PathFileExists(sczCoreClrPath))
+        {
+            break;
+        }
+        else
+        {
+            ReleaseNullStr(sczCoreClrPath);
+        }
+    }
+    if (!sczCoreClrPath)
+    {
+        for (DWORD i = 0; i < cProperties; ++i)
+        {
+            BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "%ls: %ls", rgPropertyKeys[i], rgPropertyValues[i]);
+        }
+        BalExitOnFailure(hr = E_FILENOTFOUND, "Failed to locate coreclr.dll.");
+    }
+    hr = LoadCoreClr(pState, sczCoreClrPath);
+    BalExitOnFailure(hr, "Failed to load coreclr.");
+    hr = StartCoreClr(pState, wzNativeHostPath, cProperties, rgPropertyKeys, rgPropertyValues);
+    BalExitOnFailure(hr, "Failed to start coreclr.");
+LExit:
+    MemFree(rgDirectories);
+    MemFree(rgPropertyValues);
+    MemFree(rgPropertyKeys);
+    ReleaseStr(sczCoreClrPath);
+    return hr;
+}
+static HRESULT LoadCoreClr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzCoreClrPath
+    )
+{
+    HRESULT hr = S_OK;
+    HMODULE hModule = NULL;
+    hModule = ::LoadLibraryExW(wzCoreClrPath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
+    BalExitOnNullWithLastError(hModule, hr, "Failed to load coreclr.dll from '%ls'.", wzCoreClrPath);
+    pState->pfnCoreclrInitialize = reinterpret_cast<coreclr_initialize_ptr>(::GetProcAddress(hModule, "coreclr_initialize"));
+    BalExitOnNullWithLastError(pState->pfnCoreclrInitialize, hr, "Failed to get procedure address for coreclr_initialize.");
+    pState->pfnCoreclrCreateDelegate = reinterpret_cast<coreclr_create_delegate_ptr>(::GetProcAddress(hModule, "coreclr_create_delegate"));
+    BalExitOnNullWithLastError(pState->pfnCoreclrCreateDelegate, hr, "Failed to get procedure address for coreclr_create_delegate.");
+LExit:
+    // Never unload the module since coreclr doesn't support it.
+    return hr;
+}
+static HRESULT StartCoreClr(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath,
+    __in size_t cProperties,
+    __in LPCWSTR* propertyKeys,
+    __in LPCWSTR* propertyValues
+    )
+{
+    HRESULT hr = S_OK;
+    LPSTR szNativeHostPath = NULL;
+    LPSTR* rgPropertyKeys = NULL;
+    LPSTR* rgPropertyValues = NULL;
+    
+    rgPropertyKeys = static_cast<LPSTR*>(MemAlloc(sizeof(LPSTR) * cProperties, TRUE));
+    rgPropertyValues = static_cast<LPSTR*>(MemAlloc(sizeof(LPSTR) * cProperties, TRUE));
+    if (!rgPropertyKeys || !rgPropertyValues)
+    {
+        BalExitOnFailure(hr = E_OUTOFMEMORY, "Failed to allocate buffers for runtime properties.");
+    }
+    hr = StrAnsiAllocString(&szNativeHostPath, wzNativeHostPath, 0, CP_UTF8);
+    BalExitOnFailure(hr, "Failed to convert module path to UTF8: %ls", wzNativeHostPath);
+    for (DWORD i = 0; i < cProperties; ++i)
+    {
+        hr = StrAnsiAllocString(&rgPropertyKeys[i], propertyKeys[i], 0, CP_UTF8);
+        BalExitOnFailure(hr, "Failed to convert property key to UTF8: %ls", propertyKeys[i]);
+        hr = StrAnsiAllocString(&rgPropertyValues[i], propertyValues[i], 0, CP_UTF8);
+        BalExitOnFailure(hr, "Failed to convert property value to UTF8: %ls", propertyValues[i]);
+    }
+    hr = pState->pfnCoreclrInitialize(szNativeHostPath, "MBA", cProperties, (LPCSTR*)rgPropertyKeys, (LPCSTR*)rgPropertyValues, &pState->pClrHandle, &pState->dwDomainId);
+    BalExitOnFailure(hr, "CoreclrInitialize failed.");
+LExit:
+    for (DWORD i = 0; i < cProperties; ++i)
+    {
+        if (rgPropertyKeys)
+        {
+            ReleaseStr(rgPropertyKeys[i]);
+        }
+        if (rgPropertyValues)
+        {
+            ReleaseStr(rgPropertyValues[i]);
+        }
+    }
+    ReleaseMem(rgPropertyValues);
+    ReleaseMem(rgPropertyKeys);
+    ReleaseStr(szNativeHostPath);
+    return hr;
+}
diff --git a/src/dnchost/dncutil.h b/src/dnchost/dncutil.h
new file mode 100644
index 00000000..1a7c16e3
--- /dev/null
+++ b/src/dnchost/dncutil.h
@@ -0,0 +1,36 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+typedef IBootstrapperApplicationFactory* (STDMETHODCALLTYPE* PFNCREATEBAFACTORY)(
+    __in LPCWSTR wzBaFactoryAssemblyName,
+    __in LPCWSTR wzBaFactoryAssemblyPath
+    );
+struct HOSTFXR_STATE
+{
+    LPWSTR sczHostfxrPath;
+    hostfxr_handle hostContextHandle;
+    hostfxr_initialize_for_dotnet_command_line_fn pfnHostfxrInitializeForApp;
+    hostfxr_get_runtime_properties_fn pfnHostfxrGetRuntimeProperties;
+    hostfxr_set_error_writer_fn pfnHostfxrSetErrorWriter;
+    hostfxr_close_fn pfnHostfxrClose;
+    coreclr_initialize_ptr pfnCoreclrInitialize;
+    coreclr_create_delegate_ptr pfnCoreclrCreateDelegate;
+    void* pClrHandle;
+    UINT dwDomainId;
+};
+HRESULT DnchostLoadRuntime(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzNativeHostPath,
+    __in LPCWSTR wzManagedHostPath,
+    __in LPCWSTR wzDepsJsonPath,
+    __in LPCWSTR wzRuntimeConfigPath
+    );
+HRESULT DnchostCreateFactory(
+    __in HOSTFXR_STATE* pState,
+    __in LPCWSTR wzBaFactoryAssemblyName,
+    __in LPCWSTR wzBaFactoryAssemblyPath,
+    __out IBootstrapperApplicationFactory** ppAppFactory
+    );
diff --git a/src/dnchost/hostfxr.h b/src/dnchost/hostfxr.h
new file mode 100644
index 00000000..85e6e0ab
--- /dev/null
+++ b/src/dnchost/hostfxr.h
@@ -0,0 +1,96 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+// ***** ABOUT THIS HEADER *****
+// **************************************************************************************
+//
+// This is the version on 2019-12-22 from
+// https://github.com/dotnet/runtime/blob/master/src/installer/corehost/cli/hostfxr.h
+//
+// **************************************************************************************
+// ****************************
+#ifndef __HOSTFXR_H__
+#define __HOSTFXR_H__
+#include <stddef.h>
+#include <stdint.h>
+#if defined(_WIN32)
+    #define HOSTFXR_CALLTYPE __cdecl
+    #ifdef _WCHAR_T_DEFINED
+        typedef wchar_t char_t;
+    #else
+        typedef unsigned short char_t;
+    #endif
+#else
+    #define HOSTFXR_CALLTYPE
+    typedef char char_t;
+#endif
+enum hostfxr_delegate_type
+{
+    hdt_com_activation,
+    hdt_load_in_memory_assembly,
+    hdt_winrt_activation,
+    hdt_com_register,
+    hdt_com_unregister,
+    hdt_load_assembly_and_get_function_pointer
+};
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_main_fn)(const int argc, const char_t **argv);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_main_startupinfo_fn)(
+    const int argc,
+    const char_t **argv,
+    const char_t *host_path,
+    const char_t *dotnet_root,
+    const char_t *app_path);
+typedef void(HOSTFXR_CALLTYPE *hostfxr_error_writer_fn)(const char_t *message);
+typedef hostfxr_error_writer_fn(HOSTFXR_CALLTYPE *hostfxr_set_error_writer_fn)(hostfxr_error_writer_fn error_writer);
+typedef void* hostfxr_handle;
+struct hostfxr_initialize_parameters
+{
+    size_t size;
+    const char_t *host_path;
+    const char_t *dotnet_root;
+};
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_initialize_for_dotnet_command_line_fn)(
+    int argc,
+    const char_t **argv,
+    const struct hostfxr_initialize_parameters *parameters,
+    /*out*/ hostfxr_handle *host_context_handle);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_initialize_for_runtime_config_fn)(
+    const char_t *runtime_config_path,
+    const struct hostfxr_initialize_parameters *parameters,
+    /*out*/ hostfxr_handle *host_context_handle);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_get_runtime_property_value_fn)(
+    const hostfxr_handle host_context_handle,
+    const char_t *name,
+    /*out*/ const char_t **value);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_set_runtime_property_value_fn)(
+    const hostfxr_handle host_context_handle,
+    const char_t *name,
+    const char_t *value);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_get_runtime_properties_fn)(
+    const hostfxr_handle host_context_handle,
+    /*inout*/ size_t * count,
+    /*out*/ const char_t **keys,
+    /*out*/ const char_t **values);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_run_app_fn)(const hostfxr_handle host_context_handle);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_get_runtime_delegate_fn)(
+    const hostfxr_handle host_context_handle,
+    enum hostfxr_delegate_type type,
+    /*out*/ void **delegate);
+typedef int32_t(HOSTFXR_CALLTYPE *hostfxr_close_fn)(const hostfxr_handle host_context_handle);
+#endif //__HOSTFXR_H__
+\ No newline at end of file
diff --git a/src/dnchost/packages.config b/src/dnchost/packages.config
new file mode 100644
index 00000000..c8911ea5
--- /dev/null
+++ b/src/dnchost/packages.config
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="runtime.win-x86.Microsoft.NETCore.DotNetAppHost" version="3.1.3" targetFramework="native" />
+  <package id="Nerdbank.GitVersioning" version="2.1.65" targetFramework="native" developmentDependency="true" />
+  <package id="WixToolset.BootstrapperCore.Native" version="4.0.15" targetFramework="native" />
+  <package id="WixToolset.BalUtil" version="4.0.19" targetFramework="native" />
+  <package id="WixToolset.DUtil" version="4.0.18" targetFramework="native" />
+</packages>
+\ No newline at end of file
diff --git a/src/dnchost/precomp.cpp b/src/dnchost/precomp.cpp
new file mode 100644
index 00000000..37664a1c
--- /dev/null
+++ b/src/dnchost/precomp.cpp
@@ -0,0 +1,3 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+#include "precomp.h"
diff --git a/src/dnchost/precomp.h b/src/dnchost/precomp.h
new file mode 100644
index 00000000..6a12ef67
--- /dev/null
+++ b/src/dnchost/precomp.h
@@ -0,0 +1,29 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+#include <windows.h>
+#include <msiquery.h>
+#include <corerror.h>
+#include <Shlwapi.h>
+#include <dutil.h>
+#include <memutil.h>
+#include <pathutil.h>
+#include <strutil.h>
+#include <xmlutil.h>
+#include <BootstrapperEngine.h>
+#include <BootstrapperApplication.h>
+#include <IBootstrapperEngine.h>
+#include <IBootstrapperApplication.h>
+#include <IBootstrapperApplicationFactory.h>
+#include <balutil.h>
+#include <WixToolset.Dnc.Host.h>
+#include <nethost.h>
+#include "coreclrhost.h"
+#include "hostfxr.h"
+#include "dncutil.h"
+#include "dnchost.h"
diff --git a/src/test/WixToolsetTest.ManagedHost/DncHostFixture.cs b/src/test/WixToolsetTest.ManagedHost/DncHostFixture.cs
new file mode 100644
index 00000000..f5714c67
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/DncHostFixture.cs
@@ -0,0 +1,232 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolsetTest.ManagedHost
+{
+    using System.IO;
+    using WixBuildTools.TestSupport;
+    using WixToolset.Core.TestPackage;
+    using Xunit;
+    public class DncHostFixture
+    {
+        [Fact]
+        public void CanLoadSCDEarliestCoreMBA()
+        {
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var binFolder = Path.Combine(baseFolder, "bin");
+                var bundleFile = Path.Combine(binFolder, "SCDEarliestCoreMBA.exe");
+                var baSourceFolder = TestData.Get(@"..\examples");
+                var bundleSourceFolder = TestData.Get(@"TestData\EarliestCoreMBA");
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var compileResult = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(bundleSourceFolder, "SelfContainedBundle.wxs"),
+                    Path.Combine(bundleSourceFolder, "HarvestedSCD.wxs"),
+                    "-ext", TestData.Get(@"WixToolset.Bal.wixext.dll"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindpath", baSourceFolder,
+                    "-burnStub", TestEngine.BurnStubFile,
+                    "-o", bundleFile,
+                });
+                compileResult.AssertSuccess();
+                var testEngine = new TestEngine();
+                var result = testEngine.RunShutdownEngine(bundleFile, baseFolder);
+                var logMessages = result.Output;
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[0]);
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[1]);
+                Assert.Equal("EarliestCoreBA", logMessages[2]);
+                Assert.Equal("Shutdown,ReloadBootstrapper,0", logMessages[3]);
+            }
+        }
+        [Fact]
+        public void CanLoadTrimmedSCDEarliestCoreMBA()
+        {
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var binFolder = Path.Combine(baseFolder, "bin");
+                var bundleFile = Path.Combine(binFolder, "TrimmedSCDEarliestCoreMBA.exe");
+                var baSourceFolder = TestData.Get(@"..\examples");
+                var bundleSourceFolder = TestData.Get(@"TestData\EarliestCoreMBA");
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var compileResult = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(bundleSourceFolder, "TrimmedSelfContainedBundle.wxs"),
+                    Path.Combine(bundleSourceFolder, "HarvestedTrimmedSCD.wxs"),
+                    "-ext", TestData.Get(@"WixToolset.Bal.wixext.dll"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindpath", baSourceFolder,
+                    "-burnStub", TestEngine.BurnStubFile,
+                    "-o", bundleFile,
+                });
+                compileResult.AssertSuccess();
+                var testEngine = new TestEngine();
+                var result = testEngine.RunShutdownEngine(bundleFile, baseFolder);
+                var logMessages = result.Output;
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[0]);
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[1]);
+                Assert.Equal("EarliestCoreBA", logMessages[2]);
+                Assert.Equal("Shutdown,ReloadBootstrapper,0", logMessages[3]);
+            }
+        }
+        [Fact]
+        public void CanReloadSCDEarliestCoreMBA()
+        {
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var binFolder = Path.Combine(baseFolder, "bin");
+                var bundleFile = Path.Combine(binFolder, "SCDEarliestCoreMBA.exe");
+                var baSourceFolder = TestData.Get(@"..\examples");
+                var bundleSourceFolder = TestData.Get(@"TestData\EarliestCoreMBA");
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var compileResult = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(bundleSourceFolder, "SelfContainedBundle.wxs"),
+                    Path.Combine(bundleSourceFolder, "HarvestedSCD.wxs"),
+                    "-ext", TestData.Get(@"WixToolset.Bal.wixext.dll"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindpath", baSourceFolder,
+                    "-burnStub", TestEngine.BurnStubFile,
+                    "-o", bundleFile,
+                });
+                compileResult.AssertSuccess();
+                var testEngine = new TestEngine();
+                var result = testEngine.RunReloadEngine(bundleFile, baseFolder);
+                var logMessages = result.Output;
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[0]);
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[1]);
+                Assert.Equal("EarliestCoreBA", logMessages[2]);
+                Assert.Equal("Shutdown,ReloadBootstrapper,0", logMessages[3]);
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[4]);
+                Assert.Equal("Reloaded 1 time(s)", logMessages[5]); // dnchost doesn't currently support unloading
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[6]);
+                Assert.Equal("EarliestCoreBA", logMessages[7]);
+                Assert.Equal("Shutdown,Restart,0", logMessages[8]);
+            }
+        }
+        [Fact]
+        public void CanLoadSCDLatestCoreMBA()
+        {
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var binFolder = Path.Combine(baseFolder, "bin");
+                var bundleFile = Path.Combine(binFolder, "SCDLatestCoreMBA.exe");
+                var baSourceFolder = TestData.Get(@"..\examples");
+                var bundleSourceFolder = TestData.Get(@"TestData\LatestCoreMBA");
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var compileResult = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(bundleSourceFolder, "SelfContainedBundle.wxs"),
+                    Path.Combine(bundleSourceFolder, "HarvestedSCD.wxs"),
+                    "-ext", TestData.Get(@"WixToolset.Bal.wixext.dll"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindpath", baSourceFolder,
+                    "-burnStub", TestEngine.BurnStubFile,
+                    "-o", bundleFile,
+                });
+                compileResult.AssertSuccess();
+                var testEngine = new TestEngine();
+                var result = testEngine.RunShutdownEngine(bundleFile, baseFolder);
+                var logMessages = result.Output;
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[0]);
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[1]);
+                Assert.Equal("LatestCoreBA", logMessages[2]);
+                Assert.Equal("Shutdown,ReloadBootstrapper,0", logMessages[3]);
+            }
+        }
+        [Fact]
+        public void CanLoadTrimmedSCDLatestCoreMBA()
+        {
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var binFolder = Path.Combine(baseFolder, "bin");
+                var bundleFile = Path.Combine(binFolder, "TrimmedSCDLatestCoreMBA.exe");
+                var baSourceFolder = TestData.Get(@"..\examples");
+                var bundleSourceFolder = TestData.Get(@"TestData\LatestCoreMBA");
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var compileResult = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(bundleSourceFolder, "TrimmedSelfContainedBundle.wxs"),
+                    Path.Combine(bundleSourceFolder, "HarvestedTrimmedSCD.wxs"),
+                    "-ext", TestData.Get(@"WixToolset.Bal.wixext.dll"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindpath", baSourceFolder,
+                    "-burnStub", TestEngine.BurnStubFile,
+                    "-o", bundleFile,
+                });
+                compileResult.AssertSuccess();
+                var testEngine = new TestEngine();
+                var result = testEngine.RunShutdownEngine(bundleFile, baseFolder);
+                var logMessages = result.Output;
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[0]);
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[1]);
+                Assert.Equal("LatestCoreBA", logMessages[2]);
+                Assert.Equal("Shutdown,ReloadBootstrapper,0", logMessages[3]);
+            }
+        }
+        [Fact]
+        public void CanReloadSCDLatestCoreMBA()
+        {
+            using (var fs = new DisposableFileSystem())
+            {
+                var baseFolder = fs.GetFolder();
+                var binFolder = Path.Combine(baseFolder, "bin");
+                var bundleFile = Path.Combine(binFolder, "SCDLatestCoreMBA.exe");
+                var baSourceFolder = TestData.Get(@"..\examples");
+                var bundleSourceFolder = TestData.Get(@"TestData\LatestCoreMBA");
+                var intermediateFolder = Path.Combine(baseFolder, "obj");
+                var compileResult = WixRunner.Execute(new[]
+                {
+                    "build",
+                    Path.Combine(bundleSourceFolder, "SelfContainedBundle.wxs"),
+                    Path.Combine(bundleSourceFolder, "HarvestedSCD.wxs"),
+                    "-ext", TestData.Get(@"WixToolset.Bal.wixext.dll"),
+                    "-intermediateFolder", intermediateFolder,
+                    "-bindpath", baSourceFolder,
+                    "-burnStub", TestEngine.BurnStubFile,
+                    "-o", bundleFile,
+                });
+                compileResult.AssertSuccess();
+                var testEngine = new TestEngine();
+                var result = testEngine.RunReloadEngine(bundleFile, baseFolder);
+                var logMessages = result.Output;
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[0]);
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[1]);
+                Assert.Equal("LatestCoreBA", logMessages[2]);
+                Assert.Equal("Shutdown,ReloadBootstrapper,0", logMessages[3]);
+                Assert.Equal("Loading .NET Core SCD bootstrapper application.", logMessages[4]);
+                Assert.Equal("Reloaded 1 time(s)", logMessages[5]); // dnchost doesn't currently support unloading
+                Assert.Equal("Creating BA thread to run asynchronously.", logMessages[6]);
+                Assert.Equal("LatestCoreBA", logMessages[7]);
+                Assert.Equal("Shutdown,Restart,0", logMessages[8]);
+            }
+        }
+    }
+}
diff --git a/src/test/WixToolsetTest.ManagedHost/HarvestDirectoryToPayloadGroup.ps1 b/src/test/WixToolsetTest.ManagedHost/HarvestDirectoryToPayloadGroup.ps1
new file mode 100644
index 00000000..928470b0
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/HarvestDirectoryToPayloadGroup.ps1
@@ -0,0 +1,42 @@
+param([string]$RootFolder, [string]$HarvestFolder, [string]$OutputFile)
+function harvestFileToPayload {
+    param([System.IO.FileInfo]$file, [string]$rootFolder, [string]$harvestFolder)
+    $sourceFile = $file.FullName.Substring($rootFolder.Length + 1)
+    $name = $sourceFile.Substring($harvestFolder.Length + 1)
+    $payloadContents = "<Payload SourceFile='$sourceFile' Name='$name' />"
+    $payloadContents
+}
+function harvestDirectoryToPayloadGroup {
+    param([string]$rootFolder, [string]$harvestFolder, [string]$outputFile)
+    
+    $beginFileContents = @"
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+  <Fragment>
+    <PayloadGroup Id='
+"@
+    $endFileContents = @"
+    </PayloadGroup>
+  </Fragment>
+</Wix>
+"@
+    $fileContents = $beginFileContents
+    $payloadGroupId = $harvestFolder.Replace("\", ".")
+    $fileContents += "$payloadGroupId'>" + [System.Environment]::NewLine
+    
+    $targetFolder = [System.IO.Path]::Combine($rootFolder, $harvestFolder)
+    Get-ChildItem -Path $targetFolder -Recurse -File | ForEach-Object {
+        $fileContents += '      ' + (harvestFileToPayload -file $_ -rootFolder $rootFolder -harvestFolder $harvestFolder) + [System.Environment]::NewLine
+    }
+    $fileContents += $endFileContents
+    [System.IO.File]::WriteAllText($outputFile, $fileContents)
+}
+harvestDirectoryToPayloadGroup -rootFolder $RootFolder -harvestFolder $HarvestFolder -outputFile $OutputFile
+\ No newline at end of file
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/HarvestedSCD.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/HarvestedSCD.wxs
new file mode 100644
index 00000000..bb8d56aa
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/HarvestedSCD.wxs
@@ -0,0 +1,235 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+  <Fragment>
+    <PayloadGroup Id='publish.Example.EarliestCoreMBA.scd'>
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-console-l1-1-0.dll' Name='api-ms-win-core-console-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-datetime-l1-1-0.dll' Name='api-ms-win-core-datetime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-debug-l1-1-0.dll' Name='api-ms-win-core-debug-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-errorhandling-l1-1-0.dll' Name='api-ms-win-core-errorhandling-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-file-l1-1-0.dll' Name='api-ms-win-core-file-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-file-l1-2-0.dll' Name='api-ms-win-core-file-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-file-l2-1-0.dll' Name='api-ms-win-core-file-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-handle-l1-1-0.dll' Name='api-ms-win-core-handle-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-heap-l1-1-0.dll' Name='api-ms-win-core-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-interlocked-l1-1-0.dll' Name='api-ms-win-core-interlocked-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-libraryloader-l1-1-0.dll' Name='api-ms-win-core-libraryloader-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-localization-l1-2-0.dll' Name='api-ms-win-core-localization-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-memory-l1-1-0.dll' Name='api-ms-win-core-memory-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-namedpipe-l1-1-0.dll' Name='api-ms-win-core-namedpipe-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-processenvironment-l1-1-0.dll' Name='api-ms-win-core-processenvironment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-processthreads-l1-1-0.dll' Name='api-ms-win-core-processthreads-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-processthreads-l1-1-1.dll' Name='api-ms-win-core-processthreads-l1-1-1.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-profile-l1-1-0.dll' Name='api-ms-win-core-profile-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-rtlsupport-l1-1-0.dll' Name='api-ms-win-core-rtlsupport-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-string-l1-1-0.dll' Name='api-ms-win-core-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-synch-l1-1-0.dll' Name='api-ms-win-core-synch-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-synch-l1-2-0.dll' Name='api-ms-win-core-synch-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-sysinfo-l1-1-0.dll' Name='api-ms-win-core-sysinfo-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-timezone-l1-1-0.dll' Name='api-ms-win-core-timezone-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-core-util-l1-1-0.dll' Name='api-ms-win-core-util-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\API-MS-Win-core-xstate-l2-1-0.dll' Name='API-MS-Win-core-xstate-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-conio-l1-1-0.dll' Name='api-ms-win-crt-conio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-convert-l1-1-0.dll' Name='api-ms-win-crt-convert-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-environment-l1-1-0.dll' Name='api-ms-win-crt-environment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-filesystem-l1-1-0.dll' Name='api-ms-win-crt-filesystem-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-heap-l1-1-0.dll' Name='api-ms-win-crt-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-locale-l1-1-0.dll' Name='api-ms-win-crt-locale-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-math-l1-1-0.dll' Name='api-ms-win-crt-math-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-multibyte-l1-1-0.dll' Name='api-ms-win-crt-multibyte-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-private-l1-1-0.dll' Name='api-ms-win-crt-private-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-process-l1-1-0.dll' Name='api-ms-win-crt-process-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-runtime-l1-1-0.dll' Name='api-ms-win-crt-runtime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-stdio-l1-1-0.dll' Name='api-ms-win-crt-stdio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-string-l1-1-0.dll' Name='api-ms-win-crt-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-time-l1-1-0.dll' Name='api-ms-win-crt-time-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\api-ms-win-crt-utility-l1-1-0.dll' Name='api-ms-win-crt-utility-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\clrcompression.dll' Name='clrcompression.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\clretwrc.dll' Name='clretwrc.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\clrjit.dll' Name='clrjit.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\coreclr.dll' Name='coreclr.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\dbgshim.dll' Name='dbgshim.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Example.EarliestCoreMBA.deps.json' Name='Example.EarliestCoreMBA.deps.json' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Example.EarliestCoreMBA.dll' Name='Example.EarliestCoreMBA.dll' bal:BAFactoryAssembly='yes' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Example.EarliestCoreMBA.pdb' Name='Example.EarliestCoreMBA.pdb' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Example.EarliestCoreMBA.runtimeconfig.json' Name='Example.EarliestCoreMBA.runtimeconfig.json' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\hostfxr.dll' Name='hostfxr.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\hostpolicy.dll' Name='hostpolicy.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mbanative.dll' Name='mbanative.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Microsoft.CSharp.dll' Name='Microsoft.CSharp.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Microsoft.DiaSymReader.Native.x86.dll' Name='Microsoft.DiaSymReader.Native.x86.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Microsoft.VisualBasic.Core.dll' Name='Microsoft.VisualBasic.Core.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Microsoft.VisualBasic.dll' Name='Microsoft.VisualBasic.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Microsoft.Win32.Primitives.dll' Name='Microsoft.Win32.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\Microsoft.Win32.Registry.dll' Name='Microsoft.Win32.Registry.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mscordaccore.dll' Name='mscordaccore.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mscordaccore_x86_x86_4.700.19.57202.dll' Name='mscordaccore_x86_x86_4.700.19.57202.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mscordbi.dll' Name='mscordbi.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mscorlib.dll' Name='mscorlib.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mscorrc.debug.dll' Name='mscorrc.debug.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\mscorrc.dll' Name='mscorrc.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\netstandard.dll' Name='netstandard.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\SOS_README.md' Name='SOS_README.md' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.AppContext.dll' Name='System.AppContext.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Buffers.dll' Name='System.Buffers.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Collections.Concurrent.dll' Name='System.Collections.Concurrent.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Collections.dll' Name='System.Collections.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Collections.Immutable.dll' Name='System.Collections.Immutable.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Collections.NonGeneric.dll' Name='System.Collections.NonGeneric.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Collections.Specialized.dll' Name='System.Collections.Specialized.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ComponentModel.Annotations.dll' Name='System.ComponentModel.Annotations.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ComponentModel.DataAnnotations.dll' Name='System.ComponentModel.DataAnnotations.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ComponentModel.dll' Name='System.ComponentModel.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ComponentModel.EventBasedAsync.dll' Name='System.ComponentModel.EventBasedAsync.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ComponentModel.Primitives.dll' Name='System.ComponentModel.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ComponentModel.TypeConverter.dll' Name='System.ComponentModel.TypeConverter.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Configuration.dll' Name='System.Configuration.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Console.dll' Name='System.Console.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Core.dll' Name='System.Core.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Data.Common.dll' Name='System.Data.Common.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Data.DataSetExtensions.dll' Name='System.Data.DataSetExtensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Data.dll' Name='System.Data.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.Contracts.dll' Name='System.Diagnostics.Contracts.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.Debug.dll' Name='System.Diagnostics.Debug.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.DiagnosticSource.dll' Name='System.Diagnostics.DiagnosticSource.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.FileVersionInfo.dll' Name='System.Diagnostics.FileVersionInfo.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.Process.dll' Name='System.Diagnostics.Process.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.StackTrace.dll' Name='System.Diagnostics.StackTrace.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.TextWriterTraceListener.dll' Name='System.Diagnostics.TextWriterTraceListener.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.Tools.dll' Name='System.Diagnostics.Tools.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.TraceSource.dll' Name='System.Diagnostics.TraceSource.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Diagnostics.Tracing.dll' Name='System.Diagnostics.Tracing.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.dll' Name='System.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Drawing.dll' Name='System.Drawing.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Drawing.Primitives.dll' Name='System.Drawing.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Dynamic.Runtime.dll' Name='System.Dynamic.Runtime.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Globalization.Calendars.dll' Name='System.Globalization.Calendars.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Globalization.dll' Name='System.Globalization.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Globalization.Extensions.dll' Name='System.Globalization.Extensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.Compression.Brotli.dll' Name='System.IO.Compression.Brotli.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.Compression.dll' Name='System.IO.Compression.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.Compression.FileSystem.dll' Name='System.IO.Compression.FileSystem.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.Compression.ZipFile.dll' Name='System.IO.Compression.ZipFile.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.dll' Name='System.IO.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.FileSystem.AccessControl.dll' Name='System.IO.FileSystem.AccessControl.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.FileSystem.dll' Name='System.IO.FileSystem.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.FileSystem.DriveInfo.dll' Name='System.IO.FileSystem.DriveInfo.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.FileSystem.Primitives.dll' Name='System.IO.FileSystem.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.FileSystem.Watcher.dll' Name='System.IO.FileSystem.Watcher.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.IsolatedStorage.dll' Name='System.IO.IsolatedStorage.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.MemoryMappedFiles.dll' Name='System.IO.MemoryMappedFiles.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.Pipes.AccessControl.dll' Name='System.IO.Pipes.AccessControl.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.Pipes.dll' Name='System.IO.Pipes.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.IO.UnmanagedMemoryStream.dll' Name='System.IO.UnmanagedMemoryStream.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Linq.dll' Name='System.Linq.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Linq.Expressions.dll' Name='System.Linq.Expressions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Linq.Parallel.dll' Name='System.Linq.Parallel.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Linq.Queryable.dll' Name='System.Linq.Queryable.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Memory.dll' Name='System.Memory.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.dll' Name='System.Net.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Http.dll' Name='System.Net.Http.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.HttpListener.dll' Name='System.Net.HttpListener.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Mail.dll' Name='System.Net.Mail.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.NameResolution.dll' Name='System.Net.NameResolution.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.NetworkInformation.dll' Name='System.Net.NetworkInformation.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Ping.dll' Name='System.Net.Ping.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Primitives.dll' Name='System.Net.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Requests.dll' Name='System.Net.Requests.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Security.dll' Name='System.Net.Security.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.ServicePoint.dll' Name='System.Net.ServicePoint.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.Sockets.dll' Name='System.Net.Sockets.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.WebClient.dll' Name='System.Net.WebClient.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.WebHeaderCollection.dll' Name='System.Net.WebHeaderCollection.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.WebProxy.dll' Name='System.Net.WebProxy.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.WebSockets.Client.dll' Name='System.Net.WebSockets.Client.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Net.WebSockets.dll' Name='System.Net.WebSockets.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Numerics.dll' Name='System.Numerics.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Numerics.Vectors.dll' Name='System.Numerics.Vectors.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ObjectModel.dll' Name='System.ObjectModel.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Private.CoreLib.dll' Name='System.Private.CoreLib.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Private.DataContractSerialization.dll' Name='System.Private.DataContractSerialization.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Private.Uri.dll' Name='System.Private.Uri.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Private.Xml.dll' Name='System.Private.Xml.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Private.Xml.Linq.dll' Name='System.Private.Xml.Linq.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.DispatchProxy.dll' Name='System.Reflection.DispatchProxy.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.dll' Name='System.Reflection.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.Emit.dll' Name='System.Reflection.Emit.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.Emit.ILGeneration.dll' Name='System.Reflection.Emit.ILGeneration.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.Emit.Lightweight.dll' Name='System.Reflection.Emit.Lightweight.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.Extensions.dll' Name='System.Reflection.Extensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.Metadata.dll' Name='System.Reflection.Metadata.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.Primitives.dll' Name='System.Reflection.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Reflection.TypeExtensions.dll' Name='System.Reflection.TypeExtensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Resources.Reader.dll' Name='System.Resources.Reader.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Resources.ResourceManager.dll' Name='System.Resources.ResourceManager.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Resources.Writer.dll' Name='System.Resources.Writer.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.CompilerServices.Unsafe.dll' Name='System.Runtime.CompilerServices.Unsafe.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.CompilerServices.VisualC.dll' Name='System.Runtime.CompilerServices.VisualC.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.dll' Name='System.Runtime.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Extensions.dll' Name='System.Runtime.Extensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Handles.dll' Name='System.Runtime.Handles.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.InteropServices.dll' Name='System.Runtime.InteropServices.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.InteropServices.RuntimeInformation.dll' Name='System.Runtime.InteropServices.RuntimeInformation.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.InteropServices.WindowsRuntime.dll' Name='System.Runtime.InteropServices.WindowsRuntime.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Intrinsics.dll' Name='System.Runtime.Intrinsics.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Loader.dll' Name='System.Runtime.Loader.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Numerics.dll' Name='System.Runtime.Numerics.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Serialization.dll' Name='System.Runtime.Serialization.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Serialization.Formatters.dll' Name='System.Runtime.Serialization.Formatters.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Serialization.Json.dll' Name='System.Runtime.Serialization.Json.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Serialization.Primitives.dll' Name='System.Runtime.Serialization.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.Serialization.Xml.dll' Name='System.Runtime.Serialization.Xml.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.WindowsRuntime.dll' Name='System.Runtime.WindowsRuntime.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Runtime.WindowsRuntime.UI.Xaml.dll' Name='System.Runtime.WindowsRuntime.UI.Xaml.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.AccessControl.dll' Name='System.Security.AccessControl.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Claims.dll' Name='System.Security.Claims.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.Algorithms.dll' Name='System.Security.Cryptography.Algorithms.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.Cng.dll' Name='System.Security.Cryptography.Cng.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.Csp.dll' Name='System.Security.Cryptography.Csp.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.Encoding.dll' Name='System.Security.Cryptography.Encoding.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.OpenSsl.dll' Name='System.Security.Cryptography.OpenSsl.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.Primitives.dll' Name='System.Security.Cryptography.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Cryptography.X509Certificates.dll' Name='System.Security.Cryptography.X509Certificates.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.dll' Name='System.Security.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Principal.dll' Name='System.Security.Principal.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.Principal.Windows.dll' Name='System.Security.Principal.Windows.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Security.SecureString.dll' Name='System.Security.SecureString.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ServiceModel.Web.dll' Name='System.ServiceModel.Web.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ServiceProcess.dll' Name='System.ServiceProcess.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Text.Encoding.CodePages.dll' Name='System.Text.Encoding.CodePages.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Text.Encoding.dll' Name='System.Text.Encoding.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Text.Encoding.Extensions.dll' Name='System.Text.Encoding.Extensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Text.Encodings.Web.dll' Name='System.Text.Encodings.Web.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Text.Json.dll' Name='System.Text.Json.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Text.RegularExpressions.dll' Name='System.Text.RegularExpressions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Channels.dll' Name='System.Threading.Channels.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.dll' Name='System.Threading.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Overlapped.dll' Name='System.Threading.Overlapped.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Tasks.Dataflow.dll' Name='System.Threading.Tasks.Dataflow.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Tasks.dll' Name='System.Threading.Tasks.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Tasks.Extensions.dll' Name='System.Threading.Tasks.Extensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Tasks.Parallel.dll' Name='System.Threading.Tasks.Parallel.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Thread.dll' Name='System.Threading.Thread.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.ThreadPool.dll' Name='System.Threading.ThreadPool.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Threading.Timer.dll' Name='System.Threading.Timer.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Transactions.dll' Name='System.Transactions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Transactions.Local.dll' Name='System.Transactions.Local.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.ValueTuple.dll' Name='System.ValueTuple.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Web.dll' Name='System.Web.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Web.HttpUtility.dll' Name='System.Web.HttpUtility.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Windows.dll' Name='System.Windows.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.dll' Name='System.Xml.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.Linq.dll' Name='System.Xml.Linq.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.ReaderWriter.dll' Name='System.Xml.ReaderWriter.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.Serialization.dll' Name='System.Xml.Serialization.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.XDocument.dll' Name='System.Xml.XDocument.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.XmlDocument.dll' Name='System.Xml.XmlDocument.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.XmlSerializer.dll' Name='System.Xml.XmlSerializer.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.XPath.dll' Name='System.Xml.XPath.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\System.Xml.XPath.XDocument.dll' Name='System.Xml.XPath.XDocument.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\ucrtbase.dll' Name='ucrtbase.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\WindowsBase.dll' Name='WindowsBase.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\scd\WixToolset.Mba.Core.dll' Name='WixToolset.Mba.Core.dll' />
+    </PayloadGroup>
+  </Fragment>
+</Wix>
+\ No newline at end of file
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/HarvestedTrimmedSCD.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/HarvestedTrimmedSCD.wxs
new file mode 100644
index 00000000..336eef4c
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/HarvestedTrimmedSCD.wxs
@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+  <Fragment>
+    <PayloadGroup Id='publish.Example.EarliestCoreMBA.trimmedscd'>
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-console-l1-1-0.dll' Name='api-ms-win-core-console-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-datetime-l1-1-0.dll' Name='api-ms-win-core-datetime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-debug-l1-1-0.dll' Name='api-ms-win-core-debug-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-errorhandling-l1-1-0.dll' Name='api-ms-win-core-errorhandling-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-file-l1-1-0.dll' Name='api-ms-win-core-file-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-file-l1-2-0.dll' Name='api-ms-win-core-file-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-file-l2-1-0.dll' Name='api-ms-win-core-file-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-handle-l1-1-0.dll' Name='api-ms-win-core-handle-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-heap-l1-1-0.dll' Name='api-ms-win-core-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-interlocked-l1-1-0.dll' Name='api-ms-win-core-interlocked-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-libraryloader-l1-1-0.dll' Name='api-ms-win-core-libraryloader-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-localization-l1-2-0.dll' Name='api-ms-win-core-localization-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-memory-l1-1-0.dll' Name='api-ms-win-core-memory-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-namedpipe-l1-1-0.dll' Name='api-ms-win-core-namedpipe-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-processenvironment-l1-1-0.dll' Name='api-ms-win-core-processenvironment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-processthreads-l1-1-0.dll' Name='api-ms-win-core-processthreads-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-processthreads-l1-1-1.dll' Name='api-ms-win-core-processthreads-l1-1-1.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-profile-l1-1-0.dll' Name='api-ms-win-core-profile-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-rtlsupport-l1-1-0.dll' Name='api-ms-win-core-rtlsupport-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-string-l1-1-0.dll' Name='api-ms-win-core-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-synch-l1-1-0.dll' Name='api-ms-win-core-synch-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-synch-l1-2-0.dll' Name='api-ms-win-core-synch-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-sysinfo-l1-1-0.dll' Name='api-ms-win-core-sysinfo-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-timezone-l1-1-0.dll' Name='api-ms-win-core-timezone-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-core-util-l1-1-0.dll' Name='api-ms-win-core-util-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\API-MS-Win-core-xstate-l2-1-0.dll' Name='API-MS-Win-core-xstate-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-conio-l1-1-0.dll' Name='api-ms-win-crt-conio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-convert-l1-1-0.dll' Name='api-ms-win-crt-convert-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-environment-l1-1-0.dll' Name='api-ms-win-crt-environment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-filesystem-l1-1-0.dll' Name='api-ms-win-crt-filesystem-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-heap-l1-1-0.dll' Name='api-ms-win-crt-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-locale-l1-1-0.dll' Name='api-ms-win-crt-locale-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-math-l1-1-0.dll' Name='api-ms-win-crt-math-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-multibyte-l1-1-0.dll' Name='api-ms-win-crt-multibyte-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-private-l1-1-0.dll' Name='api-ms-win-crt-private-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-process-l1-1-0.dll' Name='api-ms-win-crt-process-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-runtime-l1-1-0.dll' Name='api-ms-win-crt-runtime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-stdio-l1-1-0.dll' Name='api-ms-win-crt-stdio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-string-l1-1-0.dll' Name='api-ms-win-crt-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-time-l1-1-0.dll' Name='api-ms-win-crt-time-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\api-ms-win-crt-utility-l1-1-0.dll' Name='api-ms-win-crt-utility-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\clrcompression.dll' Name='clrcompression.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\clretwrc.dll' Name='clretwrc.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\clrjit.dll' Name='clrjit.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\coreclr.dll' Name='coreclr.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\dbgshim.dll' Name='dbgshim.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\Example.EarliestCoreMBA.deps.json' Name='Example.EarliestCoreMBA.deps.json' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\Example.EarliestCoreMBA.dll' Name='Example.EarliestCoreMBA.dll' bal:BAFactoryAssembly='yes' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\Example.EarliestCoreMBA.pdb' Name='Example.EarliestCoreMBA.pdb' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\Example.EarliestCoreMBA.runtimeconfig.json' Name='Example.EarliestCoreMBA.runtimeconfig.json' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\hostfxr.dll' Name='hostfxr.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\hostpolicy.dll' Name='hostpolicy.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\mbanative.dll' Name='mbanative.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\Microsoft.DiaSymReader.Native.x86.dll' Name='Microsoft.DiaSymReader.Native.x86.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\Microsoft.Win32.Primitives.dll' Name='Microsoft.Win32.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\mscordaccore.dll' Name='mscordaccore.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\mscordaccore_x86_x86_4.700.19.57202.dll' Name='mscordaccore_x86_x86_4.700.19.57202.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\mscordbi.dll' Name='mscordbi.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\mscorrc.debug.dll' Name='mscorrc.debug.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\mscorrc.dll' Name='mscorrc.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\SOS_README.md' Name='SOS_README.md' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Collections.Concurrent.dll' Name='System.Collections.Concurrent.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Collections.dll' Name='System.Collections.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Collections.NonGeneric.dll' Name='System.Collections.NonGeneric.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Collections.Specialized.dll' Name='System.Collections.Specialized.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Diagnostics.DiagnosticSource.dll' Name='System.Diagnostics.DiagnosticSource.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Diagnostics.StackTrace.dll' Name='System.Diagnostics.StackTrace.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Diagnostics.Tools.dll' Name='System.Diagnostics.Tools.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.IO.Compression.Brotli.dll' Name='System.IO.Compression.Brotli.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.IO.Compression.dll' Name='System.IO.Compression.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.IO.FileSystem.dll' Name='System.IO.FileSystem.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Linq.dll' Name='System.Linq.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.Http.dll' Name='System.Net.Http.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.NameResolution.dll' Name='System.Net.NameResolution.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.NetworkInformation.dll' Name='System.Net.NetworkInformation.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.Primitives.dll' Name='System.Net.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.Requests.dll' Name='System.Net.Requests.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.Security.dll' Name='System.Net.Security.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.ServicePoint.dll' Name='System.Net.ServicePoint.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.Sockets.dll' Name='System.Net.Sockets.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Net.WebHeaderCollection.dll' Name='System.Net.WebHeaderCollection.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.ObjectModel.dll' Name='System.ObjectModel.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Private.CoreLib.dll' Name='System.Private.CoreLib.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Private.Uri.dll' Name='System.Private.Uri.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Private.Xml.dll' Name='System.Private.Xml.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Private.Xml.Linq.dll' Name='System.Private.Xml.Linq.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Reflection.Metadata.dll' Name='System.Reflection.Metadata.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Runtime.CompilerServices.Unsafe.dll' Name='System.Runtime.CompilerServices.Unsafe.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Runtime.dll' Name='System.Runtime.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Runtime.Extensions.dll' Name='System.Runtime.Extensions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Runtime.Loader.dll' Name='System.Runtime.Loader.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Runtime.Numerics.dll' Name='System.Runtime.Numerics.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Runtime.Serialization.Formatters.dll' Name='System.Runtime.Serialization.Formatters.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Claims.dll' Name='System.Security.Claims.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Cryptography.Algorithms.dll' Name='System.Security.Cryptography.Algorithms.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Cryptography.Cng.dll' Name='System.Security.Cryptography.Cng.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Cryptography.Csp.dll' Name='System.Security.Cryptography.Csp.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Cryptography.Encoding.dll' Name='System.Security.Cryptography.Encoding.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Cryptography.Primitives.dll' Name='System.Security.Cryptography.Primitives.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Cryptography.X509Certificates.dll' Name='System.Security.Cryptography.X509Certificates.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Principal.dll' Name='System.Security.Principal.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Security.Principal.Windows.dll' Name='System.Security.Principal.Windows.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\System.Text.RegularExpressions.dll' Name='System.Text.RegularExpressions.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\ucrtbase.dll' Name='ucrtbase.dll' />
+      <Payload SourceFile='publish\Example.EarliestCoreMBA\trimmedscd\WixToolset.Mba.Core.dll' Name='WixToolset.Mba.Core.dll' />
+    </PayloadGroup>
+  </Fragment>
+</Wix>
+\ No newline at end of file
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/SelfContainedBundle.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/SelfContainedBundle.wxs
new file mode 100644
index 00000000..4f3b2f20
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/SelfContainedBundle.wxs
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+    <Bundle Name="SCDEarliestCoreMBA" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="5CE5B5C7-4B6B-4B95-B297-731F1F956533">
+        <BootstrapperApplicationRef Id="DotNetCoreBootstrapperApplicationHost">
+            <PayloadGroupRef Id="publish.Example.EarliestCoreMBA.scd" />
+        </BootstrapperApplicationRef>
+        <Chain>
+            <ExePackage SourceFile="c:\windows\system32\kernel32.dll" PerMachine="yes" />
+        </Chain>
+    </Bundle>
+</Wix>
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/TrimmedSelfContainedBundle.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/TrimmedSelfContainedBundle.wxs
new file mode 100644
index 00000000..15dc72bb
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/EarliestCoreMBA/TrimmedSelfContainedBundle.wxs
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+    <Bundle Name="TrimmedSCDEarliestCoreMBA" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="5CE5B5C7-4B6B-4B95-B297-731F1F956533">
+        <BootstrapperApplicationRef Id="DotNetCoreBootstrapperApplicationHost">
+            <PayloadGroupRef Id="publish.Example.EarliestCoreMBA.trimmedscd" />
+        </BootstrapperApplicationRef>
+        <Chain>
+            <ExePackage SourceFile="c:\windows\system32\kernel32.dll" PerMachine="yes" />
+        </Chain>
+    </Bundle>
+</Wix>
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/HarvestedSCD.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/HarvestedSCD.wxs
new file mode 100644
index 00000000..09433669
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/HarvestedSCD.wxs
@@ -0,0 +1,235 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+  <Fragment>
+    <PayloadGroup Id='publish.Example.LatestCoreMBA.scd'>
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-console-l1-1-0.dll' Name='api-ms-win-core-console-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-datetime-l1-1-0.dll' Name='api-ms-win-core-datetime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-debug-l1-1-0.dll' Name='api-ms-win-core-debug-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-errorhandling-l1-1-0.dll' Name='api-ms-win-core-errorhandling-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-file-l1-1-0.dll' Name='api-ms-win-core-file-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-file-l1-2-0.dll' Name='api-ms-win-core-file-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-file-l2-1-0.dll' Name='api-ms-win-core-file-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-handle-l1-1-0.dll' Name='api-ms-win-core-handle-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-heap-l1-1-0.dll' Name='api-ms-win-core-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-interlocked-l1-1-0.dll' Name='api-ms-win-core-interlocked-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-libraryloader-l1-1-0.dll' Name='api-ms-win-core-libraryloader-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-localization-l1-2-0.dll' Name='api-ms-win-core-localization-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-memory-l1-1-0.dll' Name='api-ms-win-core-memory-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-namedpipe-l1-1-0.dll' Name='api-ms-win-core-namedpipe-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-processenvironment-l1-1-0.dll' Name='api-ms-win-core-processenvironment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-processthreads-l1-1-0.dll' Name='api-ms-win-core-processthreads-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-processthreads-l1-1-1.dll' Name='api-ms-win-core-processthreads-l1-1-1.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-profile-l1-1-0.dll' Name='api-ms-win-core-profile-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-rtlsupport-l1-1-0.dll' Name='api-ms-win-core-rtlsupport-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-string-l1-1-0.dll' Name='api-ms-win-core-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-synch-l1-1-0.dll' Name='api-ms-win-core-synch-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-synch-l1-2-0.dll' Name='api-ms-win-core-synch-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-sysinfo-l1-1-0.dll' Name='api-ms-win-core-sysinfo-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-timezone-l1-1-0.dll' Name='api-ms-win-core-timezone-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-core-util-l1-1-0.dll' Name='api-ms-win-core-util-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\API-MS-Win-core-xstate-l2-1-0.dll' Name='API-MS-Win-core-xstate-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-conio-l1-1-0.dll' Name='api-ms-win-crt-conio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-convert-l1-1-0.dll' Name='api-ms-win-crt-convert-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-environment-l1-1-0.dll' Name='api-ms-win-crt-environment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-filesystem-l1-1-0.dll' Name='api-ms-win-crt-filesystem-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-heap-l1-1-0.dll' Name='api-ms-win-crt-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-locale-l1-1-0.dll' Name='api-ms-win-crt-locale-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-math-l1-1-0.dll' Name='api-ms-win-crt-math-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-multibyte-l1-1-0.dll' Name='api-ms-win-crt-multibyte-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\api-ms-win-crt-private-l1-1-0.dll' Name='api-ms-win-crt-private-l1-1-0.dll' />
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+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Windows.dll' Name='System.Windows.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.dll' Name='System.Xml.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.Linq.dll' Name='System.Xml.Linq.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.ReaderWriter.dll' Name='System.Xml.ReaderWriter.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.Serialization.dll' Name='System.Xml.Serialization.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.XDocument.dll' Name='System.Xml.XDocument.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.XmlDocument.dll' Name='System.Xml.XmlDocument.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.XmlSerializer.dll' Name='System.Xml.XmlSerializer.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.XPath.dll' Name='System.Xml.XPath.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\System.Xml.XPath.XDocument.dll' Name='System.Xml.XPath.XDocument.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\ucrtbase.dll' Name='ucrtbase.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\WindowsBase.dll' Name='WindowsBase.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\scd\WixToolset.Mba.Core.dll' Name='WixToolset.Mba.Core.dll' />
+    </PayloadGroup>
+  </Fragment>
+</Wix>
+\ No newline at end of file
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/HarvestedTrimmedSCD.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/HarvestedTrimmedSCD.wxs
new file mode 100644
index 00000000..58ba7b39
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/HarvestedTrimmedSCD.wxs
@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+  <Fragment>
+    <PayloadGroup Id='publish.Example.LatestCoreMBA.trimmedscd'>
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-console-l1-1-0.dll' Name='api-ms-win-core-console-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-datetime-l1-1-0.dll' Name='api-ms-win-core-datetime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-debug-l1-1-0.dll' Name='api-ms-win-core-debug-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-errorhandling-l1-1-0.dll' Name='api-ms-win-core-errorhandling-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-file-l1-1-0.dll' Name='api-ms-win-core-file-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-file-l1-2-0.dll' Name='api-ms-win-core-file-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-file-l2-1-0.dll' Name='api-ms-win-core-file-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-handle-l1-1-0.dll' Name='api-ms-win-core-handle-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-heap-l1-1-0.dll' Name='api-ms-win-core-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-interlocked-l1-1-0.dll' Name='api-ms-win-core-interlocked-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-libraryloader-l1-1-0.dll' Name='api-ms-win-core-libraryloader-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-localization-l1-2-0.dll' Name='api-ms-win-core-localization-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-memory-l1-1-0.dll' Name='api-ms-win-core-memory-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-namedpipe-l1-1-0.dll' Name='api-ms-win-core-namedpipe-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-processenvironment-l1-1-0.dll' Name='api-ms-win-core-processenvironment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-processthreads-l1-1-0.dll' Name='api-ms-win-core-processthreads-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-processthreads-l1-1-1.dll' Name='api-ms-win-core-processthreads-l1-1-1.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-profile-l1-1-0.dll' Name='api-ms-win-core-profile-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-rtlsupport-l1-1-0.dll' Name='api-ms-win-core-rtlsupport-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-string-l1-1-0.dll' Name='api-ms-win-core-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-synch-l1-1-0.dll' Name='api-ms-win-core-synch-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-synch-l1-2-0.dll' Name='api-ms-win-core-synch-l1-2-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-sysinfo-l1-1-0.dll' Name='api-ms-win-core-sysinfo-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-timezone-l1-1-0.dll' Name='api-ms-win-core-timezone-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-core-util-l1-1-0.dll' Name='api-ms-win-core-util-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\API-MS-Win-core-xstate-l2-1-0.dll' Name='API-MS-Win-core-xstate-l2-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-conio-l1-1-0.dll' Name='api-ms-win-crt-conio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-convert-l1-1-0.dll' Name='api-ms-win-crt-convert-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-environment-l1-1-0.dll' Name='api-ms-win-crt-environment-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-filesystem-l1-1-0.dll' Name='api-ms-win-crt-filesystem-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-heap-l1-1-0.dll' Name='api-ms-win-crt-heap-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-locale-l1-1-0.dll' Name='api-ms-win-crt-locale-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-math-l1-1-0.dll' Name='api-ms-win-crt-math-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-multibyte-l1-1-0.dll' Name='api-ms-win-crt-multibyte-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-private-l1-1-0.dll' Name='api-ms-win-crt-private-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-process-l1-1-0.dll' Name='api-ms-win-crt-process-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-runtime-l1-1-0.dll' Name='api-ms-win-crt-runtime-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-stdio-l1-1-0.dll' Name='api-ms-win-crt-stdio-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-string-l1-1-0.dll' Name='api-ms-win-crt-string-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-time-l1-1-0.dll' Name='api-ms-win-crt-time-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\api-ms-win-crt-utility-l1-1-0.dll' Name='api-ms-win-crt-utility-l1-1-0.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\clrcompression.dll' Name='clrcompression.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\clretwrc.dll' Name='clretwrc.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\clrjit.dll' Name='clrjit.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\coreclr.dll' Name='coreclr.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\dbgshim.dll' Name='dbgshim.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\Example.LatestCoreMBA.deps.json' Name='Example.LatestCoreMBA.deps.json' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\Example.LatestCoreMBA.dll' Name='Example.LatestCoreMBA.dll' bal:BAFactoryAssembly='yes' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\Example.LatestCoreMBA.pdb' Name='Example.LatestCoreMBA.pdb' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\Example.LatestCoreMBA.runtimeconfig.json' Name='Example.LatestCoreMBA.runtimeconfig.json' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\hostfxr.dll' Name='hostfxr.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\hostpolicy.dll' Name='hostpolicy.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\mbanative.dll' Name='mbanative.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\Microsoft.DiaSymReader.Native.x86.dll' Name='Microsoft.DiaSymReader.Native.x86.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\Microsoft.Win32.Primitives.dll' Name='Microsoft.Win32.Primitives.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\mscordaccore.dll' Name='mscordaccore.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\mscordaccore_x86_x86_4.700.19.60701.dll' Name='mscordaccore_x86_x86_4.700.19.60701.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\mscordbi.dll' Name='mscordbi.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\mscorrc.debug.dll' Name='mscorrc.debug.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\mscorrc.dll' Name='mscorrc.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\SOS_README.md' Name='SOS_README.md' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Collections.Concurrent.dll' Name='System.Collections.Concurrent.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Collections.dll' Name='System.Collections.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Collections.NonGeneric.dll' Name='System.Collections.NonGeneric.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Collections.Specialized.dll' Name='System.Collections.Specialized.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Diagnostics.DiagnosticSource.dll' Name='System.Diagnostics.DiagnosticSource.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Diagnostics.StackTrace.dll' Name='System.Diagnostics.StackTrace.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Diagnostics.Tools.dll' Name='System.Diagnostics.Tools.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.IO.Compression.Brotli.dll' Name='System.IO.Compression.Brotli.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.IO.Compression.dll' Name='System.IO.Compression.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.IO.FileSystem.dll' Name='System.IO.FileSystem.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Linq.dll' Name='System.Linq.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.Http.dll' Name='System.Net.Http.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.NameResolution.dll' Name='System.Net.NameResolution.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.NetworkInformation.dll' Name='System.Net.NetworkInformation.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.Primitives.dll' Name='System.Net.Primitives.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.Requests.dll' Name='System.Net.Requests.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.Security.dll' Name='System.Net.Security.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.ServicePoint.dll' Name='System.Net.ServicePoint.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.Sockets.dll' Name='System.Net.Sockets.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Net.WebHeaderCollection.dll' Name='System.Net.WebHeaderCollection.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.ObjectModel.dll' Name='System.ObjectModel.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Private.CoreLib.dll' Name='System.Private.CoreLib.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Private.Uri.dll' Name='System.Private.Uri.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Private.Xml.dll' Name='System.Private.Xml.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Private.Xml.Linq.dll' Name='System.Private.Xml.Linq.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Reflection.Metadata.dll' Name='System.Reflection.Metadata.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Runtime.CompilerServices.Unsafe.dll' Name='System.Runtime.CompilerServices.Unsafe.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Runtime.dll' Name='System.Runtime.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Runtime.Extensions.dll' Name='System.Runtime.Extensions.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Runtime.Loader.dll' Name='System.Runtime.Loader.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Runtime.Numerics.dll' Name='System.Runtime.Numerics.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Runtime.Serialization.Formatters.dll' Name='System.Runtime.Serialization.Formatters.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Claims.dll' Name='System.Security.Claims.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Cryptography.Algorithms.dll' Name='System.Security.Cryptography.Algorithms.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Cryptography.Cng.dll' Name='System.Security.Cryptography.Cng.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Cryptography.Csp.dll' Name='System.Security.Cryptography.Csp.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Cryptography.Encoding.dll' Name='System.Security.Cryptography.Encoding.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Cryptography.Primitives.dll' Name='System.Security.Cryptography.Primitives.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Cryptography.X509Certificates.dll' Name='System.Security.Cryptography.X509Certificates.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Principal.dll' Name='System.Security.Principal.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Security.Principal.Windows.dll' Name='System.Security.Principal.Windows.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\System.Text.RegularExpressions.dll' Name='System.Text.RegularExpressions.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\ucrtbase.dll' Name='ucrtbase.dll' />
+      <Payload SourceFile='publish\Example.LatestCoreMBA\trimmedscd\WixToolset.Mba.Core.dll' Name='WixToolset.Mba.Core.dll' />
+    </PayloadGroup>
+  </Fragment>
+</Wix>
+\ No newline at end of file
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/SelfContainedBundle.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/SelfContainedBundle.wxs
new file mode 100644
index 00000000..015cc099
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/SelfContainedBundle.wxs
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+    <Bundle Name="SCDLatestCoreMBA" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="5CE5B5C7-4B6B-4B95-B297-731F1F956533">
+        <BootstrapperApplicationRef Id="DotNetCoreBootstrapperApplicationHost">
+            <PayloadGroupRef Id="publish.Example.LatestCoreMBA.scd" />
+        </BootstrapperApplicationRef>
+        <Chain>
+            <ExePackage SourceFile="c:\windows\system32\kernel32.dll" PerMachine="yes" />
+        </Chain>
+    </Bundle>
+</Wix>
diff --git a/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/TrimmedSelfContainedBundle.wxs b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/TrimmedSelfContainedBundle.wxs
new file mode 100644
index 00000000..39e850a8
--- /dev/null
+++ b/src/test/WixToolsetTest.ManagedHost/TestData/LatestCoreMBA/TrimmedSelfContainedBundle.wxs
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs"
+     xmlns:bal="http://wixtoolset.org/schemas/v4/wxs/bal">
+    <Bundle Name="TrimmedSCDLatestCoreMBA" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="5CE5B5C7-4B6B-4B95-B297-731F1F956533">
+        <BootstrapperApplicationRef Id="DotNetCoreBootstrapperApplicationHost">
+            <PayloadGroupRef Id="publish.Example.LatestCoreMBA.trimmedscd" />
+        </BootstrapperApplicationRef>
+        <Chain>
+            <ExePackage SourceFile="c:\windows\system32\kernel32.dll" PerMachine="yes" />
+        </Chain>
+    </Bundle>
+</Wix>
diff --git a/src/test/WixToolsetTest.ManagedHost/WixToolsetTest.ManagedHost.csproj b/src/test/WixToolsetTest.ManagedHost/WixToolsetTest.ManagedHost.csproj
index 5026af85..1ea4522b 100644
--- a/src/test/WixToolsetTest.ManagedHost/WixToolsetTest.ManagedHost.csproj
+++ b/src/test/WixToolsetTest.ManagedHost/WixToolsetTest.ManagedHost.csproj
@@ -11,9 +11,23 @@
    <NoWarn>NU1701</NoWarn>
  </PropertyGroup>
+  <PropertyGroup>
+    <EarliestCoreMBAProjectPath>..\examples\EarliestCoreMBA\Example.EarliestCoreMBA.csproj</EarliestCoreMBAProjectPath>
+    <LatestCoreMBAProjectPath>..\examples\LatestCoreMBA\Example.LatestCoreMBA.csproj</LatestCoreMBAProjectPath>
+    <MBAPublishPath>$(OutputPath)examples\publish\</MBAPublishPath>
+  </PropertyGroup>
  <ItemGroup>
+    <Content Include="TestData\EarliestCoreMBA\HarvestedSCD.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\EarliestCoreMBA\HarvestedTrimmedSCD.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\EarliestCoreMBA\SelfContainedBundle.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\EarliestCoreMBA\TrimmedSelfContainedBundle.wxs" CopyToOutputDirectory="PreserveNewest"/>
    <Content Include="TestData\FullFramework2MBA\Bundle.wxs" CopyToOutputDirectory="PreserveNewest"/>
    <Content Include="TestData\FullFramework4MBA\Bundle.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\LatestCoreMBA\HarvestedSCD.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\LatestCoreMBA\HarvestedTrimmedSCD.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\LatestCoreMBA\SelfContainedBundle.wxs" CopyToOutputDirectory="PreserveNewest"/>
+    <Content Include="TestData\LatestCoreMBA\TrimmedSelfContainedBundle.wxs" CopyToOutputDirectory="PreserveNewest"/>
  </ItemGroup>
  <Target Name="CopyExtensions" AfterTargets="Build">
@@ -21,6 +35,17 @@
  </Target>
  <ItemGroup>
+    <CoreMBAProject Include="$(EarliestCoreMBAProjectPath)">
+      <PublishPath>$(MBAPublishPath)Example.EarliestCoreMBA</PublishPath>
+    </CoreMBAProject>
+    <CoreMBAProject Include="$(LatestCoreMBAProjectPath)">
+      <PublishPath>$(MBAPublishPath)Example.LatestCoreMBA</PublishPath>
+    </CoreMBAProject>
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(EarliestCoreMBAProjectPath)" />
+    <ProjectReference Include="$(LatestCoreMBAProjectPath)" />
    <ProjectReference Include="..\examples\FullFramework2MBA\Example.FullFramework2MBA.csproj" />
    <ProjectReference Include="..\examples\FullFramework4MBA\Example.FullFramework4MBA.csproj" />
    <ProjectReference Include="..\examples\TestEngine\Example.TestEngine.vcxproj" />
@@ -40,4 +65,9 @@
    <PackageReference Include="xunit" Version="2.4.1" />
    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" PrivateAssets="All" />
  </ItemGroup>
+  <Target Name="PublishExamples" AfterTargets="Build">
+    <Exec Command='dotnet publish -o "%(CoreMBAProject.PublishPath)\scd" -r win-x86 -c $(Configuration) --self-contained true "%(CoreMBAProject.Identity)"' />
+    <Exec Command='dotnet publish -o "%(CoreMBAProject.PublishPath)\trimmedscd" -r win-x86 -c $(Configuration) --self-contained true -p:PublishTrimmed=true "%(CoreMBAProject.Identity)"' />
+  </Target>
 </Project>
diff --git a/src/test/examples/EarliestCoreMBA/EarliestCoreBA.cs b/src/test/examples/EarliestCoreMBA/EarliestCoreBA.cs
new file mode 100644
index 00000000..c9291a7f
--- /dev/null
+++ b/src/test/examples/EarliestCoreMBA/EarliestCoreBA.cs
@@ -0,0 +1,34 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace Example.EarliestCoreMBA
+{
+    using WixToolset.Mba.Core;
+    public class EarliestCoreBA : BootstrapperApplication
+    {
+        public EarliestCoreBA(IEngine engine)
+            : base(engine)
+        {
+        }
+        protected override void Run()
+        {
+        }
+        protected override void OnStartup(StartupEventArgs args)
+        {
+            base.OnStartup(args);
+            this.engine.Log(LogLevel.Standard, nameof(EarliestCoreBA));
+        }
+        protected override void OnShutdown(ShutdownEventArgs args)
+        {
+            base.OnShutdown(args);
+            var message = "Shutdown," + args.Action.ToString() + "," + args.HResult.ToString();
+            this.engine.Log(LogLevel.Standard, message);
+        }
+    }
+}
diff --git a/src/test/examples/EarliestCoreMBA/EarliestCoreBAFactory.cs b/src/test/examples/EarliestCoreMBA/EarliestCoreBAFactory.cs
new file mode 100644
index 00000000..672e17ee
--- /dev/null
+++ b/src/test/examples/EarliestCoreMBA/EarliestCoreBAFactory.cs
@@ -0,0 +1,22 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+[assembly: WixToolset.Mba.Core.BootstrapperApplicationFactory(typeof(Example.EarliestCoreMBA.EarliestCoreBAFactory))]
+namespace Example.EarliestCoreMBA
+{
+    using WixToolset.Mba.Core;
+    public class EarliestCoreBAFactory : BaseBootstrapperApplicationFactory
+    {
+        private static int loadCount = 0;
+        protected override IBootstrapperApplication Create(IEngine engine, IBootstrapperCommand bootstrapperCommand)
+        {
+            if (loadCount > 0)
+            {
+                engine.Log(LogLevel.Standard, $"Reloaded {loadCount} time(s)");
+            }
+            ++loadCount;
+            return new EarliestCoreBA(engine);
+        }
+    }
+}
diff --git a/src/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj b/src/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj
new file mode 100644
index 00000000..326633ba
--- /dev/null
+++ b/src/test/examples/EarliestCoreMBA/Example.EarliestCoreMBA.csproj
@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <Description>Earliest .NET Core MBA</Description>
+  </PropertyGroup>
+  <ItemGroup>
+    <TrimmerRootAssembly Include="System.Runtime.Loader" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Nerdbank.GitVersioning" Version="2.1.65" PrivateAssets="all" />
+    <PackageReference Include="WixToolset.Mba.Core" Version="4.0.19" />
+  </ItemGroup>
+</Project>
+\ No newline at end of file
diff --git a/src/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj b/src/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj
new file mode 100644
index 00000000..1d325b1b
--- /dev/null
+++ b/src/test/examples/LatestCoreMBA/Example.LatestCoreMBA.csproj
@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RuntimeIdentifiers>win-x86;win-x64</RuntimeIdentifiers>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <Description>Latest .NET Core MBA</Description>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(PublishTrimmed)'=='true'">
+    <PublishReadyToRunShowWarnings>false</PublishReadyToRunShowWarnings>
+    <PublishReadyToRun>true</PublishReadyToRun>
+  </PropertyGroup>
+  <ItemGroup>
+    <TrimmerRootAssembly Include="System.Runtime.Loader" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Nerdbank.GitVersioning" Version="2.1.65" PrivateAssets="all" />
+    <PackageReference Include="WixToolset.Mba.Core" Version="4.0.19" />
+  </ItemGroup>
+</Project>
+\ No newline at end of file
diff --git a/src/test/examples/LatestCoreMBA/LatestCoreBA.cs b/src/test/examples/LatestCoreMBA/LatestCoreBA.cs
new file mode 100644
index 00000000..50386a87
--- /dev/null
+++ b/src/test/examples/LatestCoreMBA/LatestCoreBA.cs
@@ -0,0 +1,33 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace Example.LatestCoreMBA
+{
+    using WixToolset.Mba.Core;
+    public class LatestCoreBA : BootstrapperApplication
+    {
+        public LatestCoreBA(IEngine engine)
+            : base(engine)
+        {
+        }
+        protected override void Run()
+        {
+        }
+        protected override void OnStartup(StartupEventArgs args)
+        {
+            base.OnStartup(args);
+            this.engine.Log(LogLevel.Standard, nameof(LatestCoreBA));
+        }
+        protected override void OnShutdown(ShutdownEventArgs args)
+        {
+            base.OnShutdown(args);
+            var message = "Shutdown," + args.Action.ToString() + "," + args.HResult.ToString();
+            this.engine.Log(LogLevel.Standard, message);
+        }
+    }
+}
diff --git a/src/test/examples/LatestCoreMBA/LatestCoreBAFactory.cs b/src/test/examples/LatestCoreMBA/LatestCoreBAFactory.cs
new file mode 100644
index 00000000..fff3b5c5
--- /dev/null
+++ b/src/test/examples/LatestCoreMBA/LatestCoreBAFactory.cs
@@ -0,0 +1,22 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+[assembly: WixToolset.Mba.Core.BootstrapperApplicationFactory(typeof(Example.LatestCoreMBA.LatestCoreBAFactory))]
+namespace Example.LatestCoreMBA
+{
+    using WixToolset.Mba.Core;
+    public class LatestCoreBAFactory : BaseBootstrapperApplicationFactory
+    {
+        private static int loadCount = 0;
+        protected override IBootstrapperApplication Create(IEngine engine, IBootstrapperCommand bootstrapperCommand)
+        {
+            if (loadCount > 0)
+            {
+                engine.Log(LogLevel.Standard, $"Reloaded {loadCount} time(s)");
+            }
+            ++loadCount;
+            return new LatestCoreBA(engine);
+        }
+    }
+}
diff --git a/src/test/examples/TestEngine/TestEngine.cpp b/src/test/examples/TestEngine/TestEngine.cpp
index 203df115..f0811e0a 100644
--- a/src/test/examples/TestEngine/TestEngine.cpp
+++ b/src/test/examples/TestEngine/TestEngine.cpp
@@ -35,6 +35,12 @@ HRESULT TestEngine::LoadBA(
    command.cbSize = sizeof(BOOTSTRAPPER_COMMAND);
+    hr = PathGetDirectory(wzBAFilePath, &command.wzBootstrapperWorkingFolder);
+    ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to allocate wzBootstrapperWorkingFolder");
+    hr = PathConcat(command.wzBootstrapperWorkingFolder, L"BootstrapperApplicationData.xml", &command.wzBootstrapperApplicationDataPath);
+    ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to allocate wzBootstrapperApplicationDataPath");
    args.cbSize = sizeof(BOOTSTRAPPER_CREATE_ARGS);
    args.pCommand = &command;
    args.pfnBootstrapperEngineProc = TestEngine::EngineProc;
@@ -53,6 +59,9 @@ HRESULT TestEngine::LoadBA(
    ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "BA returned failure on BootstrapperApplicationCreate.");
 LExit:
+    ReleaseStr(command.wzBootstrapperApplicationDataPath);
+    ReleaseStr(command.wzBootstrapperWorkingFolder);
    return hr;
 }
@@ -92,6 +101,7 @@ HRESULT TestEngine::SendStartupEvent()
 void TestEngine::UnloadBA()
 {
    PFN_BOOTSTRAPPER_APPLICATION_DESTROY pfnDestroy = NULL;
+    BOOL fDisableUnloading = m_pCreateResults && m_pCreateResults->fDisableUnloading;
    ReleaseNullMem(m_pCreateResults);
@@ -104,7 +114,11 @@ void TestEngine::UnloadBA()
    if (m_hBAModule)
    {
-        ::FreeLibrary(m_hBAModule);
+        if (!fDisableUnloading)
+        {
+            ::FreeLibrary(m_hBAModule);
+        }
        m_hBAModule = NULL;
    }
 }
diff --git a/src/test/examples/TestEngine/precomp.h b/src/test/examples/TestEngine/precomp.h
index 0d2afb06..3fbc7e90 100644
--- a/src/test/examples/TestEngine/precomp.h
+++ b/src/test/examples/TestEngine/precomp.h
@@ -9,6 +9,7 @@
 #include "logutil.h"
 #include "memutil.h"
 #include "pathutil.h"
+#include "strutil.h"
 #include "BootstrapperEngine.h"
 #include "BootstrapperApplication.h"
diff --git a/src/wixext/BalCompiler.cs b/src/wixext/BalCompiler.cs
index da32234c..33400f3b 100644
--- a/src/wixext/BalCompiler.cs
+++ b/src/wixext/BalCompiler.cs
@@ -197,6 +197,15 @@ namespace WixToolset.Bal
                    {
                        switch (attribute.Name.LocalName)
                        {
+                            case "BAFactoryAssembly":
+                                if (YesNoType.Yes == this.ParseHelper.GetAttributeYesNoValue(sourceLineNumbers, attribute))
+                                {
+                                    section.AddTuple(new WixBalBAFactoryAssemblyTuple(sourceLineNumbers)
+                                    {
+                                        PayloadId = payloadId,
+                                    });
+                                }
+                                break;
                            case "BAFunctions":
                                if (YesNoType.Yes == this.ParseHelper.GetAttributeYesNoValue(sourceLineNumbers, attribute))
                                {
diff --git a/src/wixext/Tuples/BalTupleDefinitions.cs b/src/wixext/Tuples/BalTupleDefinitions.cs
index 676db9f6..48199f95 100644
--- a/src/wixext/Tuples/BalTupleDefinitions.cs
+++ b/src/wixext/Tuples/BalTupleDefinitions.cs
@@ -4,9 +4,11 @@ namespace WixToolset.Bal
 {
    using System;
    using WixToolset.Data;
+    using WixToolset.Data.Burn;
    public enum BalTupleDefinitionType
    {
+        WixBalBAFactoryAssembly,
        WixBalBAFunctions,
        WixBalCondition,
        WixMbaPrereqInformation,
@@ -32,6 +34,9 @@ namespace WixToolset.Bal
        {
            switch (type)
            {
+                case BalTupleDefinitionType.WixBalBAFactoryAssembly:
+                    return BalTupleDefinitions.WixBalBAFactoryAssembly;
                case BalTupleDefinitionType.WixBalBAFunctions:
                    return BalTupleDefinitions.WixBalBAFunctions;
@@ -51,5 +56,15 @@ namespace WixToolset.Bal
                    throw new ArgumentOutOfRangeException(nameof(type));
            }
        }
+        static BalTupleDefinitions()
+        {
+            WixBalBAFactoryAssembly.AddTag(BurnConstants.BootstrapperApplicationDataTupleDefinitionTag);
+            WixBalBAFunctions.AddTag(BurnConstants.BootstrapperApplicationDataTupleDefinitionTag);
+            WixBalCondition.AddTag(BurnConstants.BootstrapperApplicationDataTupleDefinitionTag);
+            WixMbaPrereqInformation.AddTag(BurnConstants.BootstrapperApplicationDataTupleDefinitionTag);
+            WixStdbaOptions.AddTag(BurnConstants.BootstrapperApplicationDataTupleDefinitionTag);
+            WixStdbaOverridableVariable.AddTag(BurnConstants.BootstrapperApplicationDataTupleDefinitionTag);
+        }
    }
 }
diff --git a/src/wixext/Tuples/WixBalBAFactoryAssemblyTuple.cs b/src/wixext/Tuples/WixBalBAFactoryAssemblyTuple.cs
new file mode 100644
index 00000000..e33ea562
--- /dev/null
+++ b/src/wixext/Tuples/WixBalBAFactoryAssemblyTuple.cs
@@ -0,0 +1,47 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+namespace WixToolset.Bal
+{
+    using WixToolset.Data;
+    using WixToolset.Bal.Tuples;
+    public static partial class BalTupleDefinitions
+    {
+        public static readonly IntermediateTupleDefinition WixBalBAFactoryAssembly = new IntermediateTupleDefinition(
+            BalTupleDefinitionType.WixBalBAFactoryAssembly.ToString(),
+            new[]
+            {
+                new IntermediateFieldDefinition(nameof(WixBalBAFactoryTupleFields.PayloadId), IntermediateFieldType.String),
+            },
+            typeof(WixBalBAFactoryAssemblyTuple));
+    }
+}
+namespace WixToolset.Bal.Tuples
+{
+    using WixToolset.Data;
+    public enum WixBalBAFactoryTupleFields
+    {
+        PayloadId,
+    }
+    public class WixBalBAFactoryAssemblyTuple : IntermediateTuple
+    {
+        public WixBalBAFactoryAssemblyTuple() : base(BalTupleDefinitions.WixBalBAFactoryAssembly, null, null)
+        {
+        }
+        public WixBalBAFactoryAssemblyTuple(SourceLineNumber sourceLineNumber, Identifier id = null) : base(BalTupleDefinitions.WixBalBAFactoryAssembly, sourceLineNumber, id)
+        {
+        }
+        public IntermediateField this[WixBalBAFactoryTupleFields index] => this.Fields[(int)index];
+        public string PayloadId
+        {
+            get => this.Fields[(int)WixBalBAFactoryTupleFields.PayloadId].AsString();
+            set => this.Set((int)WixBalBAFactoryTupleFields.PayloadId, value);
+        }
+    }
+}
+\ No newline at end of file
diff --git a/src/wixext/bal.xsd b/src/wixext/bal.xsd
index 3081a279..52f9142f 100644
--- a/src/wixext/bal.xsd
+++ b/src/wixext/bal.xsd
@@ -9,7 +9,7 @@
              xmlns="http://wixtoolset.org/schemas/v4/wxs/bal">
    <xs:annotation>
        <xs:documentation>
-            The source code schema for the WiX Toolset Burn User Experience Extension.
+            The source code schema for the WiX Toolset Bootstrapper Application Layer Extension.
        </xs:documentation>
    </xs:annotation>
@@ -215,10 +215,25 @@
        </xs:complexType>
    </xs:element>
+    <xs:attribute name="BAFactoryAssembly" type="YesNoType">
+        <xs:annotation>
+            <xs:documentation>
+                When set to "yes", DotNetCoreBootstrapperApplicationHost will load the DLL and instantiate the type with the BootstrapperApplicationFactoryAttribute.
+                There must be corresponding deps.json and runtimeconfig.json files (set EnableDynamicLoading to True in the .NET Core project).
+                The .NET Core project must have been published, not just built.
+                Only one payload may be marked with this attribute set to "yes".
+            </xs:documentation>
+            <xs:appinfo>
+                <xse:parent namespace="http://wixtoolset.org/schemas/v4/wxs" ref="Payload" />
+            </xs:appinfo>
+        </xs:annotation>
+    </xs:attribute>
    <xs:attribute name="BAFunctions" type="YesNoType">
        <xs:annotation>
            <xs:documentation>
                When set to "yes", WixStdBA will load the DLL and work with it to handle BA messages.
+                Only one payload may be marked with this attribute set to "yes".
            </xs:documentation>
            <xs:appinfo>
                <xse:parent namespace="http://wixtoolset.org/schemas/v4/wxs" ref="Payload" />
diff --git a/src/wixlib/Dnc.wxs b/src/wixlib/Dnc.wxs
new file mode 100644
index 00000000..65a59e61
--- /dev/null
+++ b/src/wixlib/Dnc.wxs
@@ -0,0 +1,21 @@
+<?xml version='1.0' encoding='utf-8'?>
+<!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
+<Wix xmlns='http://wixtoolset.org/schemas/v4/wxs'>
+    <!--
+     Dnc.wxs - .NET Core BA resources.
+    -->
+    <Fragment>
+        <BootstrapperApplication Id='DotNetCoreBootstrapperApplicationHost' SourceFile='dnchost.dll'>
+            <PayloadGroupRef Id='Dnc' />
+        </BootstrapperApplication>
+    </Fragment>
+    <Fragment>
+        <PayloadGroup Id='Dnc'>
+            <Payload Compressed='yes' SourceFile='nethost.dll' />
+            <Payload Compressed='yes' SourceFile='WixToolset.Dnc.Host.dll' />
+        </PayloadGroup>
+    </Fragment>
+</Wix>
diff --git a/src/wixlib/bal.wixproj b/src/wixlib/bal.wixproj
index c33375fe..a158cd81 100644
--- a/src/wixlib/bal.wixproj
+++ b/src/wixlib/bal.wixproj
@@ -14,6 +14,7 @@
  <ItemGroup>
    <Compile Include="BalExtension.wxs" />
+    <Compile Include="Dnc.wxs" />
    <Compile Include="Mba.wxs" />
    <Compile Include="wixstdba.wxs" />
    <Compile Include="wixstdba_x86.wxs" />
@@ -33,6 +34,10 @@
  </ItemGroup>
  <ItemGroup>
+    <ProjectReference Include="..\dnchost\dnchost.vcxproj">
+      <Name>dnchost</Name>
+      <Project>{B6F70281-6583-4138-BB7F-AABFEBBB3CA2}</Project>
+    </ProjectReference>
    <ProjectReference Include="..\mbahost\mbahost.vcxproj">
      <Name>mbahost</Name>
      <Project>{12C87C77-3547-44F8-8134-29BC915CB19D}</Project>
author	Sean Hall <r.sean.hall@gmail.com>	2020-04-29 19:28:50 +1000
committer	Sean Hall <r.sean.hall@gmail.com>	2020-04-29 19:53:29 +1000
commit	39e930d9aaff250e0fd5019eeedaa40717a6c6fe (patch)
tree	bc0865bc6c9ced1b4a06b408ff60cb83ef73cad3
parent	f4b14ff16f78435285bb20f16d5d62b902e6ba17 (diff)
download	wix-39e930d9aaff250e0fd5019eeedaa40717a6c6fe.tar.gz wix-39e930d9aaff250e0fd5019eeedaa40717a6c6fe.tar.bz2 wix-39e930d9aaff250e0fd5019eeedaa40717a6c6fe.zip