Move the BootstrapperApplication out of proc

12 files changed, 399 insertions, 300 deletions

diff --git a/src/ext/Bal/wixext/BalBurnBackendExtension.cs b/src/ext/Bal/wixext/BalBurnBackendExtension.cs
index 0293b236..84e4323e 100644
--- a/src/ext/Bal/wixext/BalBurnBackendExtension.cs
+++ b/src/ext/Bal/wixext/BalBurnBackendExtension.cs
@@ -18,16 +18,17 @@ namespace WixToolset.Bal
     {
         private static readonly IntermediateSymbolDefinition[] BurnSymbolDefinitions =
         {
+#pragma warning disable 0612 // obsolete
             BalSymbolDefinitions.WixBalBAFactoryAssembly,
+#pragma warning restore 0612
             BalSymbolDefinitions.WixBalBAFunctions,
             BalSymbolDefinitions.WixBalCondition,
             BalSymbolDefinitions.WixBalPackageInfo,
-            BalSymbolDefinitions.WixDncOptions,
-            BalSymbolDefinitions.WixMbaPrereqInformation,
+            BalSymbolDefinitions.WixPrereqInformation,
             BalSymbolDefinitions.WixStdbaCommandLine,
             BalSymbolDefinitions.WixStdbaOptions,
             BalSymbolDefinitions.WixStdbaOverridableVariable,
-            BalSymbolDefinitions.WixMbaPrereqOptions,
+            BalSymbolDefinitions.WixPrereqOptions,
         };
 
         protected override IReadOnlyCollection<IntermediateSymbolDefinition> SymbolDefinitions => BurnSymbolDefinitions;
@@ -112,59 +113,28 @@ namespace WixToolset.Bal
             }
 
             var isIuiBA = balBaSymbol.Type == WixBalBootstrapperApplicationType.InternalUi;
+            var isPreqBA = balBaSymbol.Type == WixBalBootstrapperApplicationType.Prerequisite;
             var isStdBA = balBaSymbol.Type == WixBalBootstrapperApplicationType.Standard;
-            var isMBA = balBaSymbol.Type == WixBalBootstrapperApplicationType.ManagedHost;
-            var isDNC = balBaSymbol.Type == WixBalBootstrapperApplicationType.DotNetCoreHost;
-            var isSCD = isDNC && this.VerifySCD(section);
 
-
-            if (!isIuiBA && !isStdBA && !isMBA && !isDNC)
+            if (!isIuiBA && !isPreqBA && !isStdBA)
             {
                 throw new WixException($"Invalid WixBalBootstrapperApplicationType: '{balBaSymbol.Type}'");
             }
 
+            this.VerifyBAFunctions(section);
+
             if (isIuiBA)
             {
                 // This needs to happen before VerifyPrereqPackages because it can add prereq packages.
                 this.VerifyPrimaryPackages(section, balBaSymbol.SourceLineNumbers);
             }
 
-            if (isDNC)
+            if (isIuiBA || isPreqBA)
             {
-                this.FinalizeBAFactorySymbol(section, balBaSymbol.SourceLineNumbers);
-            }
-
-            if (isIuiBA || isStdBA || isMBA || isDNC)
-            {
-                this.VerifyBAFunctions(section);
-            }
-
-            if (isIuiBA || isMBA || (isDNC && !isSCD))
-            {
-                this.VerifyPrereqPackages(section, balBaSymbol.SourceLineNumbers, isDNC, isIuiBA);
+                this.VerifyPrereqPackages(section, balBaSymbol.SourceLineNumbers, isIuiBA);
             }
         }
 
-        private void FinalizeBAFactorySymbol(IntermediateSection section, SourceLineNumber baSourceLineNumbers)
-        {
-            var factorySymbol = section.Symbols.OfType<WixBalBAFactoryAssemblySymbol>().SingleOrDefault();
-            if (null == factorySymbol)
-            {
-                this.Messaging.Write(BalErrors.MissingDNCBAFactoryAssembly(baSourceLineNumbers));
-                return;
-            }
-
-            var factoryPayloadSymbol = section.Symbols.OfType<WixBundlePayloadSymbol>()
-                                                      .Where(p => p.Id.Id == factorySymbol.PayloadId)
-                                                      .SingleOrDefault();
-            if (null == factoryPayloadSymbol)
-            {
-                throw new WixException($"Missing payload symbol with id: 'factorySymbol.PayloadId'");
-            }
-
-            factorySymbol.FilePath = factoryPayloadSymbol.Name;
-        }
-
         private void VerifyBAFunctions(IntermediateSection section)
         {
             WixBalBAFunctionsSymbol baFunctionsSymbol = null;
@@ -234,7 +204,7 @@ namespace WixToolset.Bal
             var nonPermanentNonPrimaryPackages = new List<WixBundlePackageSymbol>();
 
             var balPackageInfoSymbolsByPackageId = section.Symbols.OfType<WixBalPackageInfoSymbol>().ToDictionary(x => x.PackageId);
-            var mbaPrereqInfoSymbolsByPackageId = section.Symbols.OfType<WixMbaPrereqInformationSymbol>().ToDictionary(x => x.PackageId);
+            var mbaPrereqInfoSymbolsByPackageId = section.Symbols.OfType<WixPrereqInformationSymbol>().ToDictionary(x => x.PackageId);
             var msiPackageSymbolsByPackageId = section.Symbols.OfType<WixBundleMsiPackageSymbol>().ToDictionary(x => x.Id.Id);
             var packageSymbols = section.Symbols.OfType<WixBundlePackageSymbol>().ToList();
             foreach (var packageSymbol in packageSymbols)
@@ -263,7 +233,7 @@ namespace WixToolset.Bal
                     {
                         if (!isPrereq)
                         {
-                            var prereqInfoSymbol = section.AddSymbol(new WixMbaPrereqInformationSymbol(packageSymbol.SourceLineNumbers, new Identifier(AccessModifier.Global, packageId))
+                            var prereqInfoSymbol = section.AddSymbol(new WixPrereqInformationSymbol(packageSymbol.SourceLineNumbers, new Identifier(AccessModifier.Global, packageId))
                             {
                                 PackageId = packageId,
                             });
@@ -476,13 +446,12 @@ namespace WixToolset.Bal
             }
         }
 
-        private void VerifyPrereqPackages(IntermediateSection section, SourceLineNumber baSourceLineNumbers, bool isDNC, bool isIuiBA)
+        private void VerifyPrereqPackages(IntermediateSection section, SourceLineNumber baSourceLineNumbers, bool isIuiBA)
         {
-            var prereqInfoSymbols = section.Symbols.OfType<WixMbaPrereqInformationSymbol>().ToList();
+            var prereqInfoSymbols = section.Symbols.OfType<WixPrereqInformationSymbol>().ToList();
             if (!isIuiBA && prereqInfoSymbols.Count == 0)
             {
-                var message = isDNC ? BalErrors.MissingDNCPrereq(baSourceLineNumbers) : BalErrors.MissingMBAPrereq(baSourceLineNumbers);
-                this.Messaging.Write(message);
+                this.Messaging.Write(BalErrors.MissingPrereq(baSourceLineNumbers));
                 return;
             }
 
@@ -514,18 +483,5 @@ namespace WixToolset.Bal
                 }
             }
         }
-
-        private bool VerifySCD(IntermediateSection section)
-        {
-            var isSCD = false;
-
-            var dncOptions = section.Symbols.OfType<WixDncOptionsSymbol>().SingleOrDefault();
-            if (dncOptions != null)
-            {
-                isSCD = dncOptions.SelfContainedDeployment != 0;
-            }
-
-            return isSCD;
-        }
     }
 }
diff --git a/src/ext/Bal/wixext/BalCompiler.cs b/src/ext/Bal/wixext/BalCompiler.cs
index 72883bdf..829da0e6 100644
--- a/src/ext/Bal/wixext/BalCompiler.cs
+++ b/src/ext/Bal/wixext/BalCompiler.cs
@@ -7,6 +7,7 @@ namespace WixToolset.Bal
     using System.Xml.Linq;
     using WixToolset.Bal.Symbols;
     using WixToolset.Data;
+    using WixToolset.Data.Burn;
     using WixToolset.Data.Symbols;
     using WixToolset.Extensibility;
     using WixToolset.Extensibility.Data;
@@ -17,16 +18,9 @@ namespace WixToolset.Bal
     public sealed class BalCompiler : BaseCompilerExtension
     {
         private readonly Dictionary<string, WixBalPackageInfoSymbol> packageInfoSymbolsByPackageId = new Dictionary<string, WixBalPackageInfoSymbol>();
-        private readonly Dictionary<string, WixMbaPrereqInformationSymbol> prereqInfoSymbolsByPackageId = new Dictionary<string, WixMbaPrereqInformationSymbol>();
+        private readonly Dictionary<string, WixPrereqInformationSymbol> prereqInfoSymbolsByPackageId = new Dictionary<string, WixPrereqInformationSymbol>();
 
-        private enum WixDotNetCoreBootstrapperApplicationHostTheme
-        {
-            Unknown,
-            None,
-            Standard,
-        }
-
-        private enum WixManagedBootstrapperApplicationHostTheme
+        private enum WixPrerequisiteBootstrapperApplicationTheme
         {
             Unknown,
             None,
@@ -63,17 +57,35 @@ namespace WixToolset.Bal
         /// <param name="context">Extra information about the context in which this element is being parsed.</param>
         public override void ParseElement(Intermediate intermediate, IntermediateSection section, XElement parentElement, XElement element, IDictionary<string, string> context)
         {
+            this.ParsePossibleKeyPathElement(intermediate, section, parentElement, element, context);
+        }
+
+        /// <summary>
+        /// Processes an element for the Compiler.
+        /// </summary>
+        /// <param name="sourceLineNumbers">Source line number for the parent element.</param>
+        /// <param name="parentElement">Parent element of element to process.</param>
+        /// <param name="element">Element to process.</param>
+        /// <param name="contextValues">Extra information about the context in which this element is being parsed.</param>
+        public override IComponentKeyPath ParsePossibleKeyPathElement(Intermediate intermediate, IntermediateSection section, XElement parentElement, XElement element, IDictionary<string, string> context)
+        {
+            IComponentKeyPath exePayloadRef = null;
+
             switch (parentElement.Name.LocalName)
             {
                 case "Bundle":
                 case "Fragment":
                     switch (element.Name.LocalName)
                     {
+                        case "BootstrapperApplicationPrerequisiteInformation":
+                            this.ParseBootstrapperApplicationPrerequisiteInformationElement(intermediate, section, element);
+                            break;
                         case "Condition":
                             this.ParseConditionElement(intermediate, section, element);
                             break;
                         case "ManagedBootstrapperApplicationPrereqInformation":
-                            this.ParseMbaPrereqInfoElement(intermediate, section, element);
+                            this.Messaging.Write(WarningMessages.DeprecatedElement(this.ParseHelper.GetSourceLineNumbers(element), element.Name.LocalName, "BootstrapperApplicationPrerequisiteInformation"));
+                            this.ParseBootstrapperApplicationPrerequisiteInformationElement(intermediate, section, element);
                             break;
                         default:
                             this.ParseHelper.UnexpectedElement(parentElement, element);
@@ -84,16 +96,19 @@ namespace WixToolset.Bal
                     switch (element.Name.LocalName)
                     {
                         case "WixInternalUIBootstrapperApplication":
-                            this.ParseWixInternalUIBootstrapperApplicationElement(intermediate, section, element);
+                            exePayloadRef = this.ParseWixInternalUIBootstrapperApplicationElement(intermediate, section, element);
+                            break;
+                        case "WixPrerequisiteBootstrapperApplication":
+                            this.ParseWixPrerequisiteBootstrapperApplicationElement(intermediate, section, element, context);
                             break;
                         case "WixStandardBootstrapperApplication":
-                            this.ParseWixStandardBootstrapperApplicationElement(intermediate, section, element);
+                            exePayloadRef = this.ParseWixStandardBootstrapperApplicationElement(intermediate, section, element);
                             break;
                         case "WixManagedBootstrapperApplicationHost":
-                            this.ParseWixManagedBootstrapperApplicationHostElement(intermediate, section, element);
+                            this.Messaging.Write(WarningMessages.DeprecatedElement(this.ParseHelper.GetSourceLineNumbers(element), element.Name.LocalName));
                             break;
                         case "WixDotNetCoreBootstrapperApplicationHost":
-                            this.ParseWixDotNetCoreBootstrapperApplicationHostElement(intermediate, section, element);
+                            this.Messaging.Write(WarningMessages.DeprecatedElement(this.ParseHelper.GetSourceLineNumbers(element), element.Name.LocalName));
                             break;
                         default:
                             this.ParseHelper.UnexpectedElement(parentElement, element);
@@ -104,6 +119,8 @@ namespace WixToolset.Bal
                     this.ParseHelper.UnexpectedElement(parentElement, element);
                     break;
             }
+
+            return exePayloadRef;
         }
 
         /// <summary>
@@ -282,15 +299,7 @@ namespace WixToolset.Bal
                         switch (attribute.Name.LocalName)
                         {
                             case "BAFactoryAssembly":
-                                if (YesNoType.Yes == this.ParseHelper.GetAttributeYesNoValue(sourceLineNumbers, attribute))
-                                {
-                                    // There can only be one.
-                                    var id = new Identifier(AccessModifier.Global, "TheBAFactoryAssembly");
-                                    section.AddSymbol(new WixBalBAFactoryAssemblySymbol(sourceLineNumbers, id)
-                                    {
-                                        PayloadId = payloadId,
-                                    });
-                                }
+                                this.Messaging.Write(BalWarnings.DeprecatedBAFactoryAssemblyAttribute(this.ParseHelper.GetSourceLineNumbers(parentElement), parentElement.Name.LocalName, attribute.Name.LocalName));
                                 break;
                             case "BAFunctions":
                                 if (YesNoType.Yes == this.ParseHelper.GetAttributeYesNoValue(sourceLineNumbers, attribute))
@@ -352,15 +361,15 @@ namespace WixToolset.Bal
             return packageInfo;
         }
 
-        private WixMbaPrereqInformationSymbol GetMbaPrereqInformationSymbol(IntermediateSection section, SourceLineNumber sourceLineNumbers, XAttribute prereqAttribute, string packageId)
+        private WixPrereqInformationSymbol GetMbaPrereqInformationSymbol(IntermediateSection section, SourceLineNumber sourceLineNumbers, XAttribute prereqAttribute, string packageId)
         {
-            WixMbaPrereqInformationSymbol prereqInfo = null;
+            WixPrereqInformationSymbol prereqInfo = null;
 
             if (prereqAttribute != null && YesNoType.Yes == this.ParseHelper.GetAttributeYesNoValue(sourceLineNumbers, prereqAttribute))
             {
                 if (!this.prereqInfoSymbolsByPackageId.TryGetValue(packageId, out prereqInfo))
                 {
-                    prereqInfo = section.AddSymbol(new WixMbaPrereqInformationSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, packageId))
+                    prereqInfo = section.AddSymbol(new WixPrereqInformationSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, packageId))
                     {
                         PackageId = packageId,
                     });
@@ -432,7 +441,7 @@ namespace WixToolset.Bal
         /// Parses a Condition element for Bundles.
         /// </summary>
         /// <param name="node">The element to parse.</param>
-        private void ParseMbaPrereqInfoElement(Intermediate intermediate, IntermediateSection section, XElement node)
+        private void ParseBootstrapperApplicationPrerequisiteInformationElement(Intermediate intermediate, IntermediateSection section, XElement node)
         {
             var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(node);
             string packageId = null;
@@ -480,7 +489,7 @@ namespace WixToolset.Bal
 
             if (!this.Messaging.EncounteredError)
             {
-                section.AddSymbol(new WixMbaPrereqInformationSymbol(sourceLineNumbers)
+                section.AddSymbol(new WixPrereqInformationSymbol(sourceLineNumbers)
                 {
                     PackageId = packageId,
                     LicenseFile = licenseFile,
@@ -490,14 +499,16 @@ namespace WixToolset.Bal
             }
         }
 
-        private void ParseWixInternalUIBootstrapperApplicationElement(Intermediate intermediate, IntermediateSection section, XElement node)
+        private IComponentKeyPath ParseWixInternalUIBootstrapperApplicationElement(Intermediate intermediate, IntermediateSection section, XElement node)
         {
             var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(node);
-            WixInternalUIBootstrapperApplicationTheme? theme = null;
+            var theme = WixInternalUIBootstrapperApplicationTheme.Standard;
             string themeFile = null;
             string logoFile = null;
             string localizationFile = null;
 
+            IComponentKeyPath exePayloadRef = null;
+
             foreach (var attrib in node.Attributes())
             {
                 if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
@@ -542,11 +553,6 @@ namespace WixToolset.Bal
 
             this.ParseHelper.ParseForExtensionElements(this.Context.Extensions, intermediate, section, node);
 
-            if (!theme.HasValue)
-            {
-                theme = WixInternalUIBootstrapperApplicationTheme.Standard;
-            }
-
             if (!this.Messaging.EncounteredError)
             {
                 if (!String.IsNullOrEmpty(logoFile))
@@ -573,23 +579,41 @@ namespace WixToolset.Bal
                     });
                 }
 
-                var baId = "WixInternalUIBootstrapperApplication";
                 switch (theme)
                 {
                     case WixInternalUIBootstrapperApplicationTheme.Standard:
-                        baId = "WixInternalUIBootstrapperApplication.Standard";
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixIuibaStandardPayloads", platformSpecific: false);
                         break;
                 }
 
-                this.CreateBARef(section, sourceLineNumbers, node, baId, WixBalBootstrapperApplicationType.InternalUi);
+                section.AddSymbol(new WixBalBootstrapperApplicationSymbol(sourceLineNumbers)
+                {
+                    Type = WixBalBootstrapperApplicationType.InternalUi,
+                });
+
+                section.AddSymbol(new WixPrereqOptionsSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPrereqOptions"))
+                {
+                    Primary = 1,
+                    HandleHelp = 1,
+                    HandleLayout = 1,
+                });
+
+                var exePayloadId = this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixInternalUIBootstrapperApplication", platformSpecific: true);
+
+                exePayloadRef = this.CreateComponentKeyPath();
+                exePayloadRef.Id = new Identifier(AccessModifier.Section, exePayloadId);
+                exePayloadRef.Explicit = true; // Internal UI BA is always secondary because the PrereqBA is always primary to handle the help and layout options.
+                exePayloadRef.Type = PossibleKeyPathType.File;
             }
+
+            return exePayloadRef;
         }
 
         /// <summary>
         /// Parses a WixStandardBootstrapperApplication element for Bundles.
         /// </summary>
         /// <param name="node">The element to parse.</param>
-        private void ParseWixStandardBootstrapperApplicationElement(Intermediate intermediate, IntermediateSection section, XElement node)
+        private IComponentKeyPath ParseWixStandardBootstrapperApplicationElement(Intermediate intermediate, IntermediateSection section, XElement node)
         {
             var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(node);
             string launchTarget = null;
@@ -610,6 +634,8 @@ namespace WixToolset.Bal
             var showVersion = YesNoType.NotSet;
             var supportCacheOnly = YesNoType.NotSet;
 
+            IComponentKeyPath exePayloadRef = null;
+
             foreach (var attrib in node.Attributes())
             {
                 if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
@@ -840,35 +866,159 @@ namespace WixToolset.Bal
                     }
                 }
 
-                var baId = "WixStandardBootstrapperApplication";
                 switch (theme)
                 {
                     case WixStandardBootstrapperApplicationTheme.HyperlinkLargeLicense:
-                        baId = "WixStandardBootstrapperApplication.HyperlinkLargeLicense";
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixStdbaHyperlinkLargeLicensePayloads", platformSpecific: false);
                         break;
                     case WixStandardBootstrapperApplicationTheme.HyperlinkLicense:
-                        baId = "WixStandardBootstrapperApplication.HyperlinkLicense";
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixStdbaHyperlinkLicensePayloads", platformSpecific: false);
                         break;
                     case WixStandardBootstrapperApplicationTheme.HyperlinkSidebarLicense:
-                        baId = "WixStandardBootstrapperApplication.HyperlinkSidebarLicense";
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixStdbaHyperlinkSidebarLicensePayloads", platformSpecific: false);
                         break;
                     case WixStandardBootstrapperApplicationTheme.RtfLargeLicense:
-                        baId = "WixStandardBootstrapperApplication.RtfLargeLicense";
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixStdbaRtfLargeLicensePayloads", platformSpecific: false);
                         break;
                     case WixStandardBootstrapperApplicationTheme.RtfLicense:
-                        baId = "WixStandardBootstrapperApplication.RtfLicense";
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixStdbaRtfLicensePayloads", platformSpecific: false);
+                        break;
+                }
+
+                section.AddSymbol(new WixBalBootstrapperApplicationSymbol(sourceLineNumbers)
+                {
+                    Type = WixBalBootstrapperApplicationType.Standard,
+                });
+
+                var exePayloadId = this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixStandardBootstrapperApplication", platformSpecific: true);
+
+                exePayloadRef = this.CreateComponentKeyPath();
+                exePayloadRef.Id = new Identifier(AccessModifier.Section, exePayloadId);
+                exePayloadRef.Type = PossibleKeyPathType.File;
+            }
+
+            return exePayloadRef;
+        }
+
+        /// <summary>
+        /// Parses a WixManagedBootstrapperApplicationHost element for Bundles.
+        /// </summary>
+        /// <param name="node">The element to parse.</param>
+        private void ParseWixPrerequisiteBootstrapperApplicationElement(Intermediate intermediate, IntermediateSection section, XElement node, IDictionary<string, string> context)
+        {
+            var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(node);
+            string logoFile = null;
+            string themeFile = null;
+            string localizationFile = null;
+            var theme = WixPrerequisiteBootstrapperApplicationTheme.Standard;
+
+            foreach (var attrib in node.Attributes())
+            {
+                if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
+                {
+                    switch (attrib.Name.LocalName)
+                    {
+                        case "LogoFile":
+                            logoFile = this.ParseHelper.GetAttributeValue(sourceLineNumbers, attrib);
+                            break;
+                        case "ThemeFile":
+                            themeFile = this.ParseHelper.GetAttributeValue(sourceLineNumbers, attrib);
+                            break;
+                        case "LocalizationFile":
+                            localizationFile = this.ParseHelper.GetAttributeValue(sourceLineNumbers, attrib);
+                            break;
+                        case "Theme":
+                            var themeValue = this.ParseHelper.GetAttributeValue(sourceLineNumbers, attrib);
+                            switch (themeValue)
+                            {
+                                case "none":
+                                    theme = WixPrerequisiteBootstrapperApplicationTheme.None;
+                                    break;
+                                case "standard":
+                                    theme = WixPrerequisiteBootstrapperApplicationTheme.Standard;
+                                    break;
+                                default:
+                                    this.Messaging.Write(ErrorMessages.IllegalAttributeValue(sourceLineNumbers, node.Name.LocalName, "Theme", themeValue, "none", "standard"));
+                                    theme = WixPrerequisiteBootstrapperApplicationTheme.Unknown;
+                                    break;
+                            }
+                            break;
+                        default:
+                            this.ParseHelper.UnexpectedAttribute(node, attrib);
+                            break;
+                    }
+                }
+                else
+                {
+                    this.ParseHelper.ParseExtensionAttribute(this.Context.Extensions, intermediate, section, node, attrib);
+                }
+            }
+
+            this.ParseHelper.ParseForExtensionElements(this.Context.Extensions, intermediate, section, node);
+
+            if (!this.Messaging.EncounteredError)
+            {
+                if (!String.IsNullOrEmpty(logoFile))
+                {
+                    section.AddSymbol(new WixVariableSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPreqbaLogo"))
+                    {
+                        Value = logoFile,
+                    });
+                }
+
+                if (!String.IsNullOrEmpty(themeFile))
+                {
+                    section.AddSymbol(new WixVariableSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPreqbaThemeXml"))
+                    {
+                        Value = themeFile,
+                    });
+                }
+
+                if (!String.IsNullOrEmpty(localizationFile))
+                {
+                    section.AddSymbol(new WixVariableSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPreqbaThemeWxl"))
+                    {
+                        Value = localizationFile,
+                    });
+                }
+
+                switch (theme)
+                {
+                    case WixPrerequisiteBootstrapperApplicationTheme.Standard:
+                        this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixPreqbaStandardPayloads", platformSpecific: false);
                         break;
                 }
 
-                this.CreateBARef(section, sourceLineNumbers, node, baId, WixBalBootstrapperApplicationType.Standard);
+                section.AddSymbol(new WixBalBootstrapperApplicationSymbol(sourceLineNumbers)
+                {
+                    Type = WixBalBootstrapperApplicationType.Prerequisite,
+                });
+
+                var primary = context.TryGetValue("Secondary", out var parentSecondaryValue) && "True".Equals(parentSecondaryValue, StringComparison.OrdinalIgnoreCase) ? true : false;
+
+                var baId = this.CreateIdentifierFromPlatform(sourceLineNumbers, node, primary ? "WixPrereqBootstrapperApplication.Primary" : "WixPrereqBootstrapperApplication.Secondary");
+
+                if (!String.IsNullOrEmpty(baId))
+                {
+                    this.ParseHelper.CreateSimpleReference(section, sourceLineNumbers, SymbolDefinitions.WixBootstrapperApplication, baId);
+                }
+
+                if (primary)
+                {
+                    section.AddSymbol(new WixPrereqOptionsSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPrereqOptions"))
+                    {
+                        Primary = 1
+                    });
+                }
             }
         }
 
+#if DELETE
         /// <summary>
         /// Parses a WixManagedBootstrapperApplicationHost element for Bundles.
         /// </summary>
         /// <param name="node">The element to parse.</param>
-        private void ParseWixManagedBootstrapperApplicationHostElement(Intermediate intermediate, IntermediateSection section, XElement node)
+        private IComponentKeyPath ParseWixManagedBootstrapperApplicationHostElement(Intermediate intermediate, IntermediateSection section, XElement node)
         {
             var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(node);
             bool alwaysInstallPrereqs = false;
@@ -877,6 +1027,8 @@ namespace WixToolset.Bal
             string localizationFile = null;
             WixManagedBootstrapperApplicationHostTheme? theme = null;
 
+            IComponentKeyPath exePayloadRef = null;
+
             foreach (var attrib in node.Attributes())
             {
                 if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
@@ -963,23 +1115,25 @@ namespace WixToolset.Bal
                         break;
                 }
 
-                this.CreateBARef(section, sourceLineNumbers, node, baId, WixBalBootstrapperApplicationType.ManagedHost);
+                exePayloadRef = this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixManagedBootstrapperApplicationHost", baId, WixBalBootstrapperApplicationType.ManagedHost);
 
                 if (alwaysInstallPrereqs)
                 {
-                    section.AddSymbol(new WixMbaPrereqOptionsSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixMbaPrereqOptions"))
+                    section.AddSymbol(new WixPrereqOptionsSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPrereqOptions"))
                     {
                         AlwaysInstallPrereqs = 1,
                     });
                 }
             }
+
+            return exePayloadRef;
         }
 
         /// <summary>
         /// Parses a WixDotNetCoreBootstrapperApplication element for Bundles.
         /// </summary>
         /// <param name="node">The element to parse.</param>
-        private void ParseWixDotNetCoreBootstrapperApplicationHostElement(Intermediate intermediate, IntermediateSection section, XElement node)
+        private IComponentKeyPath ParseWixDotNetCoreBootstrapperApplicationHostElement(Intermediate intermediate, IntermediateSection section, XElement node)
         {
             var sourceLineNumbers = this.ParseHelper.GetSourceLineNumbers(node);
             bool alwaysInstallPrereqs = false;
@@ -989,6 +1143,8 @@ namespace WixToolset.Bal
             var selfContainedDeployment = YesNoType.NotSet;
             WixDotNetCoreBootstrapperApplicationHostTheme? theme = null;
 
+            IComponentKeyPath exePayloadRef = null;
+
             foreach (var attrib in node.Attributes())
             {
                 if (String.IsNullOrEmpty(attrib.Name.NamespaceName) || this.Namespace == attrib.Name.Namespace)
@@ -1086,19 +1242,36 @@ namespace WixToolset.Bal
                         break;
                 }
 
-                this.CreateBARef(section, sourceLineNumbers, node, baId, WixBalBootstrapperApplicationType.DotNetCoreHost);
+                exePayloadRef = this.CreatePayloadGroupRef(section, sourceLineNumbers, node, "WixDotNetCoreBootstrapperApplicationHost", baId, WixBalBootstrapperApplicationType.DotNetCoreHost);
 
                 if (alwaysInstallPrereqs)
                 {
-                    section.AddSymbol(new WixMbaPrereqOptionsSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixMbaPrereqOptions"))
+                    section.AddSymbol(new WixPrereqOptionsSymbol(sourceLineNumbers, new Identifier(AccessModifier.Global, "WixPrereqOptions"))
                     {
                         AlwaysInstallPrereqs = 1,
                     });
                 }
             }
+
+            return exePayloadRef;
+        }
+#endif
+
+        private string CreatePayloadGroupRef(IntermediateSection section, SourceLineNumber sourceLineNumbers, XElement node, string basePayloadGroupId, bool platformSpecific)
+        {
+            var id = platformSpecific ? this.CreateIdentifierFromPlatform(sourceLineNumbers, node, basePayloadGroupId) : basePayloadGroupId;
+
+            if (!String.IsNullOrEmpty(id))
+            {
+                this.ParseHelper.CreateWixGroupSymbol(section, sourceLineNumbers, ComplexReferenceParentType.Container, BurnConstants.BurnUXContainerName, ComplexReferenceChildType.PayloadGroup, id);
+
+                this.ParseHelper.CreateSimpleReference(section, sourceLineNumbers, SymbolDefinitions.WixBundlePayloadGroup, id);
+            }
+
+            return id;
         }
 
-        private void CreateBARef(IntermediateSection section, SourceLineNumber sourceLineNumbers, XElement node, string name, WixBalBootstrapperApplicationType baType)
+        private string CreateIdentifierFromPlatform(SourceLineNumber sourceLineNumbers, XElement node, string name)
         {
             var id = this.ParseHelper.CreateIdentifierValueFromPlatform(name, this.Context.Platform, BurnPlatforms.X86 | BurnPlatforms.X64 | BurnPlatforms.ARM64);
             if (id == null)
@@ -1106,15 +1279,7 @@ namespace WixToolset.Bal
                 this.Messaging.Write(ErrorMessages.UnsupportedPlatformForElement(sourceLineNumbers, this.Context.Platform.ToString(), node.Name.LocalName));
             }
 
-            if (!this.Messaging.EncounteredError)
-            {
-                this.ParseHelper.CreateSimpleReference(section, sourceLineNumbers, SymbolDefinitions.WixBootstrapperApplication, id);
-
-                section.AddSymbol(new WixBalBootstrapperApplicationSymbol(sourceLineNumbers)
-                {
-                    Type = baType,
-                });
-            }
+            return id;
         }
     }
 }
diff --git a/src/ext/Bal/wixext/BalErrors.cs b/src/ext/Bal/wixext/BalErrors.cs
index 7fbccecb..10986f0e 100644
--- a/src/ext/Bal/wixext/BalErrors.cs
+++ b/src/ext/Bal/wixext/BalErrors.cs
@@ -48,9 +48,9 @@ namespace WixToolset.Bal
             return Message(sourceLineNumbers, Ids.MissingDNCBAFactoryAssembly, "When using DotNetCoreBootstrapperApplicationHost, the Payload element for the BA's entry point DLL must have bal:BAFactoryAssembly=\"yes\".");
         }
 
-        public static Message MissingDNCPrereq(SourceLineNumber sourceLineNumbers)
+        public static Message MissingPrereq(SourceLineNumber sourceLineNumbers)
         {
-            return Message(sourceLineNumbers, Ids.MissingDNCPrereq, "There must be at least one package with bal:PrereqPackage=\"yes\" when using the DotNetCoreBootstrapperApplicationHost with SelfContainedDeployment set to \"no\".");
+            return Message(sourceLineNumbers, Ids.MissingPrereq, "There must be at least one package with bal:PrereqPackage=\"yes\" when using the bal:WixPrerequisiteBootstrapperApplication.");
         }
 
         public static Message MissingIUIPrimaryPackage(SourceLineNumber sourceLineNumbers)
@@ -58,11 +58,6 @@ namespace WixToolset.Bal
             return Message(sourceLineNumbers, Ids.MissingIUIPrimaryPackage, "When using WixInternalUIBootstrapperApplication, there must be one package with bal:PrimaryPackageType=\"default\".");
         }
 
-        public static Message MissingMBAPrereq(SourceLineNumber sourceLineNumbers)
-        {
-            return Message(sourceLineNumbers, Ids.MissingMBAPrereq, "There must be at least one package with bal:PrereqPackage=\"yes\" when using the ManagedBootstrapperApplicationHost.\nThis is typically done by using the WixNetFxExtension and referencing one of the NetFxAsPrereq package groups.");
-        }
-
         public static Message MultipleBAFunctions(SourceLineNumber sourceLineNumbers)
         {
             return Message(sourceLineNumbers, Ids.MultipleBAFunctions, "WixStandardBootstrapperApplication doesn't support multiple BAFunctions DLLs.");
@@ -106,11 +101,10 @@ namespace WixToolset.Bal
         public enum Ids
         {
             AttributeRequiresPrereqPackage = 6801,
-            MissingMBAPrereq = 6802,
+            MissingPrereq = 6802,
             MultiplePrereqLicenses = 6803,
             MultipleBAFunctions = 6804,
             BAFunctionsPayloadRequiredInUXContainer = 6805,
-            MissingDNCPrereq = 6806,
             MissingIUIPrimaryPackage = 6808,
             MultiplePrimaryPackageType = 6809,
             MultiplePrimaryPackageType2 = 6810,
diff --git a/src/ext/Bal/wixext/BalWarnings.cs b/src/ext/Bal/wixext/BalWarnings.cs
index 96e7a523..73a19d07 100644
--- a/src/ext/Bal/wixext/BalWarnings.cs
+++ b/src/ext/Bal/wixext/BalWarnings.cs
@@ -33,6 +33,11 @@ namespace WixToolset.Bal
             return Message(sourceLineNumbers, Ids.UnmarkedBAFunctionsDLL, "WixStandardBootstrapperApplication doesn't automatically load BAFunctions.dll. Use the bal:BAFunctions attribute to indicate that it should be loaded.");
         }
 
+        public static Message DeprecatedBAFactoryAssemblyAttribute(SourceLineNumber sourceLineNumbers, string elementName, string attributeName)
+        {
+            return Message(sourceLineNumbers, Ids.DeprecatedBAFactoryAssemblyAttribute, "The {0}/@{1} attribute has been deprecated. Move the Payload/@SourceFile attribute to be the BootstrapperApplication/@SourceFile attribute and remove the Payload element.", elementName, attributeName);
+        }
+
         private static Message Message(SourceLineNumber sourceLineNumber, Ids id, string format, params object[] args)
         {
             return new Message(sourceLineNumber, MessageLevel.Warning, (int)id, format, args);
@@ -50,6 +55,7 @@ namespace WixToolset.Bal
             IuibaPrimaryPackageInstallCondition = 6503,
             IuibaPrimaryPackageDisplayInternalUICondition = 6504,
             IuibaPrereqPackageAfterPrimaryPackage = 6505,
+            DeprecatedBAFactoryAssemblyAttribute = 6506,
         }
     }
 }
diff --git a/src/ext/Bal/wixext/Symbols/BalSymbolDefinitions.cs b/src/ext/Bal/wixext/Symbols/BalSymbolDefinitions.cs
index 5229f278..5e9fb936 100644
--- a/src/ext/Bal/wixext/Symbols/BalSymbolDefinitions.cs
+++ b/src/ext/Bal/wixext/Symbols/BalSymbolDefinitions.cs
@@ -13,11 +13,11 @@ namespace WixToolset.Bal
         WixBalCondition,
         WixBalPackageInfo,
         WixDncOptions,
-        WixMbaPrereqInformation,
+        WixPrereqInformation,
         WixStdbaCommandLine,
         WixStdbaOptions,
         WixStdbaOverridableVariable,
-        WixMbaPrereqOptions,
+        WixPrereqOptions,
         WixBalBootstrapperApplication,
     }
 
@@ -37,8 +37,10 @@ namespace WixToolset.Bal
         {
             switch (type)
             {
+#pragma warning disable 0612 // obsolete
                 case BalSymbolDefinitionType.WixBalBAFactoryAssembly:
                     return BalSymbolDefinitions.WixBalBAFactoryAssembly;
+#pragma warning restore 0612
 
                 case BalSymbolDefinitionType.WixBalBAFunctions:
                     return BalSymbolDefinitions.WixBalBAFunctions;
@@ -49,11 +51,8 @@ namespace WixToolset.Bal
                 case BalSymbolDefinitionType.WixBalPackageInfo:
                     return BalSymbolDefinitions.WixBalPackageInfo;
 
-                case BalSymbolDefinitionType.WixDncOptions:
-                    return BalSymbolDefinitions.WixDncOptions;
-
-                case BalSymbolDefinitionType.WixMbaPrereqInformation:
-                    return BalSymbolDefinitions.WixMbaPrereqInformation;
+                case BalSymbolDefinitionType.WixPrereqInformation:
+                    return BalSymbolDefinitions.WixPrereqInformation;
 
                 case BalSymbolDefinitionType.WixStdbaCommandLine:
                     return BalSymbolDefinitions.WixStdbaCommandLine;
@@ -64,8 +63,8 @@ namespace WixToolset.Bal
                 case BalSymbolDefinitionType.WixStdbaOverridableVariable:
                     return BalSymbolDefinitions.WixStdbaOverridableVariable;
 
-                case BalSymbolDefinitionType.WixMbaPrereqOptions:
-                    return BalSymbolDefinitions.WixMbaPrereqOptions;
+                case BalSymbolDefinitionType.WixPrereqOptions:
+                    return BalSymbolDefinitions.WixPrereqOptions;
 
                 case BalSymbolDefinitionType.WixBalBootstrapperApplication:
                     return BalSymbolDefinitions.WixBalBootstrapperApplication;
@@ -77,16 +76,17 @@ namespace WixToolset.Bal
 
         static BalSymbolDefinitions()
         {
+#pragma warning disable 0612 // obsolete
             WixBalBAFactoryAssembly.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
+#pragma warning restore 0612
             WixBalBAFunctions.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
             WixBalCondition.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
             WixBalPackageInfo.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
-            WixDncOptions.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
-            WixMbaPrereqInformation.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
+            WixPrereqInformation.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
             WixStdbaCommandLine.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
             WixStdbaOptions.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
             WixStdbaOverridableVariable.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
-            WixMbaPrereqOptions.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
+            WixPrereqOptions.AddTag(BurnConstants.BootstrapperApplicationDataSymbolDefinitionTag);
         }
     }
 }
diff --git a/src/ext/Bal/wixext/Symbols/WixBalBAFactoryAssemblySymbol.cs b/src/ext/Bal/wixext/Symbols/WixBalBAFactoryAssemblySymbol.cs
index 52042e4c..3ce535a3 100644
--- a/src/ext/Bal/wixext/Symbols/WixBalBAFactoryAssemblySymbol.cs
+++ b/src/ext/Bal/wixext/Symbols/WixBalBAFactoryAssemblySymbol.cs
@@ -2,11 +2,13 @@
 
 namespace WixToolset.Bal
 {
+    using System;
     using WixToolset.Data;
     using WixToolset.Bal.Symbols;
 
     public static partial class BalSymbolDefinitions
     {
+        [Obsolete]
         public static readonly IntermediateSymbolDefinition WixBalBAFactoryAssembly = new IntermediateSymbolDefinition(
             BalSymbolDefinitionType.WixBalBAFactoryAssembly.ToString(),
             new[]
@@ -20,14 +22,17 @@ namespace WixToolset.Bal
 
 namespace WixToolset.Bal.Symbols
 {
+    using System;
     using WixToolset.Data;
 
+    [Obsolete]
     public enum WixBalBAFactorySymbolFields
     {
         PayloadId,
         FilePath,
     }
 
+    [Obsolete]
     public class WixBalBAFactoryAssemblySymbol : IntermediateSymbol
     {
         public WixBalBAFactoryAssemblySymbol() : base(BalSymbolDefinitions.WixBalBAFactoryAssembly, null, null)
@@ -52,4 +57,4 @@ namespace WixToolset.Bal.Symbols
             set => this.Set((int)WixBalBAFactorySymbolFields.FilePath, value);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/ext/Bal/wixext/Symbols/WixBalBootstrapperApplicationSymbol.cs b/src/ext/Bal/wixext/Symbols/WixBalBootstrapperApplicationSymbol.cs
index 7096930d..47e930c2 100644
--- a/src/ext/Bal/wixext/Symbols/WixBalBootstrapperApplicationSymbol.cs
+++ b/src/ext/Bal/wixext/Symbols/WixBalBootstrapperApplicationSymbol.cs
@@ -19,15 +19,19 @@ namespace WixToolset.Bal
 
 namespace WixToolset.Bal.Symbols
 {
+    using System;
     using WixToolset.Data;
 
     public enum WixBalBootstrapperApplicationType
     {
         Unknown,
         Standard,
+        [Obsolete]
         ManagedHost,
+        [Obsolete]
         DotNetCoreHost,
         InternalUi,
+        Prerequisite,
     }
 
     public enum WixBalBootstrapperApplicationSymbolFields
diff --git a/src/ext/Bal/wixext/Symbols/WixDncOptionsSymbol.cs b/src/ext/Bal/wixext/Symbols/WixDncOptionsSymbol.cs
deleted file mode 100644
index b9a41c21..00000000
--- a/src/ext/Bal/wixext/Symbols/WixDncOptionsSymbol.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// 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.Symbols;
-
-    public static partial class BalSymbolDefinitions
-    {
-        public static readonly IntermediateSymbolDefinition WixDncOptions = new IntermediateSymbolDefinition(
-            BalSymbolDefinitionType.WixDncOptions.ToString(),
-            new[]
-            {
-                new IntermediateFieldDefinition(nameof(WixDncOptionsSymbolFields.SelfContainedDeployment), IntermediateFieldType.Number),
-            },
-            typeof(WixDncOptionsSymbol));
-    }
-}
-
-namespace WixToolset.Bal.Symbols
-{
-    using WixToolset.Data;
-
-    public enum WixDncOptionsSymbolFields
-    {
-        SelfContainedDeployment,
-    }
-
-    public class WixDncOptionsSymbol : IntermediateSymbol
-    {
-        public WixDncOptionsSymbol() : base(BalSymbolDefinitions.WixDncOptions, null, null)
-        {
-        }
-
-        public WixDncOptionsSymbol(SourceLineNumber sourceLineNumber, Identifier id = null) : base(BalSymbolDefinitions.WixDncOptions, sourceLineNumber, id)
-        {
-        }
-
-        public IntermediateField this[WixDncOptionsSymbolFields index] => this.Fields[(int)index];
-
-        public int SelfContainedDeployment
-        {
-            get => this.Fields[(int)WixDncOptionsSymbolFields.SelfContainedDeployment].AsNumber();
-            set => this.Set((int)WixDncOptionsSymbolFields.SelfContainedDeployment, value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/ext/Bal/wixext/Symbols/WixMbaPrereqInformationSymbol.cs b/src/ext/Bal/wixext/Symbols/WixMbaPrereqInformationSymbol.cs
deleted file mode 100644
index e4d78da0..00000000
--- a/src/ext/Bal/wixext/Symbols/WixMbaPrereqInformationSymbol.cs
+++ /dev/null
@@ -1,63 +0,0 @@
-// 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.Symbols;
-
-    public static partial class BalSymbolDefinitions
-    {
-        public static readonly IntermediateSymbolDefinition WixMbaPrereqInformation = new IntermediateSymbolDefinition(
-            BalSymbolDefinitionType.WixMbaPrereqInformation.ToString(),
-            new[]
-            {
-                new IntermediateFieldDefinition(nameof(WixMbaPrereqInformationSymbolFields.PackageId), IntermediateFieldType.String),
-                new IntermediateFieldDefinition(nameof(WixMbaPrereqInformationSymbolFields.LicenseFile), IntermediateFieldType.String),
-                new IntermediateFieldDefinition(nameof(WixMbaPrereqInformationSymbolFields.LicenseUrl), IntermediateFieldType.String),
-            },
-            typeof(WixMbaPrereqInformationSymbol));
-    }
-}
-
-namespace WixToolset.Bal.Symbols
-{
-    using WixToolset.Data;
-
-    public enum WixMbaPrereqInformationSymbolFields
-    {
-        PackageId,
-        LicenseFile,
-        LicenseUrl,
-    }
-
-    public class WixMbaPrereqInformationSymbol : IntermediateSymbol
-    {
-        public WixMbaPrereqInformationSymbol() : base(BalSymbolDefinitions.WixMbaPrereqInformation, null, null)
-        {
-        }
-
-        public WixMbaPrereqInformationSymbol(SourceLineNumber sourceLineNumber, Identifier id = null) : base(BalSymbolDefinitions.WixMbaPrereqInformation, sourceLineNumber, id)
-        {
-        }
-
-        public IntermediateField this[WixMbaPrereqInformationSymbolFields index] => this.Fields[(int)index];
-
-        public string PackageId
-        {
-            get => this.Fields[(int)WixMbaPrereqInformationSymbolFields.PackageId].AsString();
-            set => this.Set((int)WixMbaPrereqInformationSymbolFields.PackageId, value);
-        }
-
-        public string LicenseFile
-        {
-            get => this.Fields[(int)WixMbaPrereqInformationSymbolFields.LicenseFile].AsString();
-            set => this.Set((int)WixMbaPrereqInformationSymbolFields.LicenseFile, value);
-        }
-
-        public string LicenseUrl
-        {
-            get => this.Fields[(int)WixMbaPrereqInformationSymbolFields.LicenseUrl].AsString();
-            set => this.Set((int)WixMbaPrereqInformationSymbolFields.LicenseUrl, value);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/ext/Bal/wixext/Symbols/WixMbaPrereqOptionsSymbol.cs b/src/ext/Bal/wixext/Symbols/WixMbaPrereqOptionsSymbol.cs
deleted file mode 100644
index 66374579..00000000
--- a/src/ext/Bal/wixext/Symbols/WixMbaPrereqOptionsSymbol.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// 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.Symbols;
-
-    public static partial class BalSymbolDefinitions
-    {
-        public static readonly IntermediateSymbolDefinition WixMbaPrereqOptions = new IntermediateSymbolDefinition(
-            BalSymbolDefinitionType.WixMbaPrereqOptions.ToString(),
-            new[]
-            {
-                new IntermediateFieldDefinition(nameof(WixMbaPrereqOptionsSymbolFields.AlwaysInstallPrereqs), IntermediateFieldType.Number),
-            },
-            typeof(WixMbaPrereqOptionsSymbol));
-    }
-}
-
-namespace WixToolset.Bal.Symbols
-{
-    using WixToolset.Data;
-
-    public enum WixMbaPrereqOptionsSymbolFields
-    {
-        AlwaysInstallPrereqs,
-    }
-
-    public class WixMbaPrereqOptionsSymbol : IntermediateSymbol
-    {
-        public WixMbaPrereqOptionsSymbol() : base(BalSymbolDefinitions.WixMbaPrereqOptions, null, null)
-        {
-        }
-
-        public WixMbaPrereqOptionsSymbol(SourceLineNumber sourceLineNumber, Identifier id = null) : base(BalSymbolDefinitions.WixMbaPrereqOptions, sourceLineNumber, id)
-        {
-        }
-
-        public IntermediateField this[WixMbaPrereqOptionsSymbolFields index] => this.Fields[(int)index];
-
-        public int AlwaysInstallPrereqs
-        {
-            get => this.Fields[(int)WixMbaPrereqOptionsSymbolFields.AlwaysInstallPrereqs].AsNumber();
-            set => this.Set((int)WixMbaPrereqOptionsSymbolFields.AlwaysInstallPrereqs, value);
-        }
-    }
-}
diff --git a/src/ext/Bal/wixext/Symbols/WixPrereqInformationSymbol.cs b/src/ext/Bal/wixext/Symbols/WixPrereqInformationSymbol.cs
new file mode 100644
index 00000000..4b5e301e
--- /dev/null
+++ b/src/ext/Bal/wixext/Symbols/WixPrereqInformationSymbol.cs
@@ -0,0 +1,63 @@
+// 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.Symbols;
+
+    public static partial class BalSymbolDefinitions
+    {
+        public static readonly IntermediateSymbolDefinition WixPrereqInformation = new IntermediateSymbolDefinition(
+            BalSymbolDefinitionType.WixPrereqInformation.ToString(),
+            new[]
+            {
+                new IntermediateFieldDefinition(nameof(WixPrereqInformationSymbolFields.PackageId), IntermediateFieldType.String),
+                new IntermediateFieldDefinition(nameof(WixPrereqInformationSymbolFields.LicenseFile), IntermediateFieldType.String),
+                new IntermediateFieldDefinition(nameof(WixPrereqInformationSymbolFields.LicenseUrl), IntermediateFieldType.String),
+            },
+            typeof(WixPrereqInformationSymbol));
+    }
+}
+
+namespace WixToolset.Bal.Symbols
+{
+    using WixToolset.Data;
+
+    public enum WixPrereqInformationSymbolFields
+    {
+        PackageId,
+        LicenseFile,
+        LicenseUrl,
+    }
+
+    public class WixPrereqInformationSymbol : IntermediateSymbol
+    {
+        public WixPrereqInformationSymbol() : base(BalSymbolDefinitions.WixPrereqInformation, null, null)
+        {
+        }
+
+        public WixPrereqInformationSymbol(SourceLineNumber sourceLineNumber, Identifier id = null) : base(BalSymbolDefinitions.WixPrereqInformation, sourceLineNumber, id)
+        {
+        }
+
+        public IntermediateField this[WixPrereqInformationSymbolFields index] => this.Fields[(int)index];
+
+        public string PackageId
+        {
+            get => this.Fields[(int)WixPrereqInformationSymbolFields.PackageId].AsString();
+            set => this.Set((int)WixPrereqInformationSymbolFields.PackageId, value);
+        }
+
+        public string LicenseFile
+        {
+            get => this.Fields[(int)WixPrereqInformationSymbolFields.LicenseFile].AsString();
+            set => this.Set((int)WixPrereqInformationSymbolFields.LicenseFile, value);
+        }
+
+        public string LicenseUrl
+        {
+            get => this.Fields[(int)WixPrereqInformationSymbolFields.LicenseUrl].AsString();
+            set => this.Set((int)WixPrereqInformationSymbolFields.LicenseUrl, value);
+        }
+    }
+}
diff --git a/src/ext/Bal/wixext/Symbols/WixPrereqOptionsSymbol.cs b/src/ext/Bal/wixext/Symbols/WixPrereqOptionsSymbol.cs
new file mode 100644
index 00000000..a351d7da
--- /dev/null
+++ b/src/ext/Bal/wixext/Symbols/WixPrereqOptionsSymbol.cs
@@ -0,0 +1,63 @@
+// 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.Symbols;
+
+    public static partial class BalSymbolDefinitions
+    {
+        public static readonly IntermediateSymbolDefinition WixPrereqOptions = new IntermediateSymbolDefinition(
+            BalSymbolDefinitionType.WixPrereqOptions.ToString(),
+            new[]
+            {
+                new IntermediateFieldDefinition(nameof(WixPrereqOptionsSymbolFields.Primary), IntermediateFieldType.Number),
+                new IntermediateFieldDefinition(nameof(WixPrereqOptionsSymbolFields.HandleHelp), IntermediateFieldType.Number),
+                new IntermediateFieldDefinition(nameof(WixPrereqOptionsSymbolFields.HandleLayout), IntermediateFieldType.Number),
+            },
+            typeof(WixPrereqOptionsSymbol));
+    }
+}
+
+namespace WixToolset.Bal.Symbols
+{
+    using WixToolset.Data;
+
+    public enum WixPrereqOptionsSymbolFields
+    {
+        Primary,
+        HandleHelp,
+        HandleLayout,
+    }
+
+    public class WixPrereqOptionsSymbol : IntermediateSymbol
+    {
+        public WixPrereqOptionsSymbol() : base(BalSymbolDefinitions.WixPrereqOptions, null, null)
+        {
+        }
+
+        public WixPrereqOptionsSymbol(SourceLineNumber sourceLineNumber, Identifier id = null) : base(BalSymbolDefinitions.WixPrereqOptions, sourceLineNumber, id)
+        {
+        }
+
+        public IntermediateField this[WixPrereqOptionsSymbolFields index] => this.Fields[(int)index];
+
+        public int Primary
+        {
+            get => this.Fields[(int)WixPrereqOptionsSymbolFields.Primary].AsNumber();
+            set => this.Set((int)WixPrereqOptionsSymbolFields.Primary, value);
+        }
+
+        public int? HandleHelp
+        {
+            get => (int?)this.Fields[(int)WixPrereqOptionsSymbolFields.HandleHelp];
+            set => this.Set((int)WixPrereqOptionsSymbolFields.HandleHelp, value);
+        }
+
+        public int? HandleLayout
+        {
+            get => (int?)this.Fields[(int)WixPrereqOptionsSymbolFields.HandleLayout];
+            set => this.Set((int)WixPrereqOptionsSymbolFields.HandleLayout, value);
+        }
+    }
+}