12 files changed, 344 insertions, 164 deletions

diff --git a/src/engine/apply.cpp b/src/engine/apply.cpp
index 55141ef9..44ff9429 100644
--- a/src/engine/apply.cpp
+++ b/src/engine/apply.cpp
@@ -2032,7 +2032,7 @@ static HRESULT ExecuteMsiPackage(
 LExit:
     if (fExecuted)
     {
-        MsiEngineUpdateInstallRegistrationState(pExecuteAction, hrExecute, fInsideMsiTransaction);
+        MsiEngineUpdateInstallRegistrationState(pExecuteAction, fRollback, hrExecute, fInsideMsiTransaction);
     }
 
     if (fBeginCalled)
@@ -2248,7 +2248,20 @@ static HRESULT ExecuteDependencyAction(
             {
                 pAction->packageDependency.pPackage->cacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
             }
-            if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pAction->packageDependency.pPackage->installRegistrationState)
+
+            if (BURN_PACKAGE_TYPE_MSP == pAction->packageDependency.pPackage->type)
+            {
+                for (DWORD i = 0; i < pAction->packageDependency.pPackage->Msp.cTargetProductCodes; ++i)
+                {
+                    BURN_MSPTARGETPRODUCT* pTargetProduct = pAction->packageDependency.pPackage->Msp.rgTargetProducts + i;
+
+                    if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pTargetProduct->registrationState)
+                    {
+                        pTargetProduct->registrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
+                    }
+                }
+            }
+            else if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pAction->packageDependency.pPackage->installRegistrationState)
             {
                 pAction->packageDependency.pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
             }
@@ -2259,7 +2272,20 @@ static HRESULT ExecuteDependencyAction(
             {
                 pAction->packageDependency.pPackage->cacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
             }
-            if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pAction->packageDependency.pPackage->installRegistrationState)
+
+            if (BURN_PACKAGE_TYPE_MSP == pAction->packageDependency.pPackage->type)
+            {
+                for (DWORD i = 0; i < pAction->packageDependency.pPackage->Msp.cTargetProductCodes; ++i)
+                {
+                    BURN_MSPTARGETPRODUCT* pTargetProduct = pAction->packageDependency.pPackage->Msp.rgTargetProducts + i;
+
+                    if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pTargetProduct->registrationState)
+                    {
+                        pTargetProduct->registrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
+                    }
+                }
+            }
+            else if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pAction->packageDependency.pPackage->installRegistrationState)
             {
                 pAction->packageDependency.pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
             }
diff --git a/src/engine/core.cpp b/src/engine/core.cpp
index cb7ebbfd..0a19ac8e 100644
--- a/src/engine/core.cpp
+++ b/src/engine/core.cpp
@@ -1814,15 +1814,30 @@ static void LogPackages(
 
             LogId(REPORT_STANDARD, MSG_PLANNED_PACKAGE, pPackage->sczId, LoggingPackageStateToString(pPackage->currentState), LoggingRequestStateToString(pPackage->defaultRequested), LoggingRequestStateToString(pPackage->requested), LoggingActionStateToString(pPackage->execute), LoggingActionStateToString(pPackage->rollback), LoggingBoolToString(pPackage->fAcquire), LoggingBoolToString(pPackage->fUncache), LoggingDependencyActionToString(pPackage->dependencyExecute), LoggingPackageRegistrationStateToString(pPackage->fCanAffectRegistration, pPackage->expectedInstallRegistrationState), LoggingPackageRegistrationStateToString(pPackage->fCanAffectRegistration, pPackage->expectedCacheRegistrationState));
             
-            if (BURN_PACKAGE_TYPE_MSI == pPackage->type && pPackage->Msi.cFeatures)
+            if (BURN_PACKAGE_TYPE_MSI == pPackage->type)
             {
-                LogId(REPORT_STANDARD, MSG_PLANNED_MSI_FEATURES, pPackage->Msi.cFeatures, pPackage->sczId);
+                if (pPackage->Msi.cFeatures)
+                {
+                    LogId(REPORT_STANDARD, MSG_PLANNED_MSI_FEATURES, pPackage->Msi.cFeatures, pPackage->sczId);
+
+                    for (DWORD j = 0; j < pPackage->Msi.cFeatures; ++j)
+                    {
+                        const BURN_MSIFEATURE* pFeature = &pPackage->Msi.rgFeatures[j];
 
-                for (DWORD j = 0; j < pPackage->Msi.cFeatures; ++j)
+                        LogId(REPORT_STANDARD, MSG_PLANNED_MSI_FEATURE, pFeature->sczId, LoggingMsiFeatureStateToString(pFeature->currentState), LoggingMsiFeatureStateToString(pFeature->defaultRequested), LoggingMsiFeatureStateToString(pFeature->requested), LoggingMsiFeatureActionToString(pFeature->execute), LoggingMsiFeatureActionToString(pFeature->rollback));
+                    }
+                }
+
+                if (pPackage->Msi.cSlipstreamMspPackages)
                 {
-                    const BURN_MSIFEATURE* pFeature = &pPackage->Msi.rgFeatures[j];
+                    LogId(REPORT_STANDARD, MSG_PLANNED_SLIPSTREAMED_MSP_TARGETS, pPackage->Msi.cSlipstreamMspPackages, pPackage->sczId);
+
+                    for (DWORD j = 0; j < pPackage->Msi.cSlipstreamMspPackages; ++j)
+                    {
+                        const BURN_SLIPSTREAM_MSP* pSlipstreamMsp = &pPackage->Msi.rgSlipstreamMsps[j];
 
-                    LogId(REPORT_STANDARD, MSG_PLANNED_MSI_FEATURE, pFeature->sczId, LoggingMsiFeatureStateToString(pFeature->currentState), LoggingMsiFeatureStateToString(pFeature->defaultRequested), LoggingMsiFeatureStateToString(pFeature->requested), LoggingMsiFeatureActionToString(pFeature->execute), LoggingMsiFeatureActionToString(pFeature->rollback));
+                        LogId(REPORT_STANDARD, MSG_PLANNED_SLIPSTREAMED_MSP_TARGET, pSlipstreamMsp->pMspPackage->sczId, LoggingActionStateToString(pSlipstreamMsp->execute), LoggingActionStateToString(pSlipstreamMsp->rollback));
+                    }
                 }
             }
             else if (BURN_PACKAGE_TYPE_MSP == pPackage->type && pPackage->Msp.cTargetProductCodes)
diff --git a/src/engine/dependency.cpp b/src/engine/dependency.cpp
index a6a8fe4d..3d978740 100644
--- a/src/engine/dependency.cpp
+++ b/src/engine/dependency.cpp
@@ -774,6 +774,18 @@ static HRESULT DetectPackageDependents(
         {
             pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
         }
+        if (BURN_PACKAGE_TYPE_MSP == pPackage->type)
+        {
+            for (DWORD i = 0; i < pPackage->Msp.cTargetProductCodes; ++i)
+            {
+                BURN_MSPTARGETPRODUCT* pTargetProduct = pPackage->Msp.rgTargetProducts + i;
+
+                if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pTargetProduct->registrationState)
+                {
+                    pTargetProduct->registrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
+                }
+            }
+        }
     }
 
 LExit:
diff --git a/src/engine/elevation.cpp b/src/engine/elevation.cpp
index e4af1840..c9ed9810 100644
--- a/src/engine/elevation.cpp
+++ b/src/engine/elevation.cpp
@@ -855,6 +855,9 @@ extern "C" HRESULT ElevationExecuteMsiPackage(
     DWORD dwResult = 0;
 
     // serialize message data
+    hr = BuffWriteNumber(&pbData, &cbData, (DWORD)fRollback);
+    ExitOnFailure(hr, "Failed to write rollback flag to message buffer.");
+
     hr = BuffWriteString(&pbData, &cbData, pExecuteAction->msiPackage.pPackage->sczId);
     ExitOnFailure(hr, "Failed to write package id to message buffer.");
 
@@ -886,16 +889,15 @@ extern "C" HRESULT ElevationExecuteMsiPackage(
     // Slipstream patches actions.
     for (DWORD i = 0; i < pExecuteAction->msiPackage.pPackage->Msi.cSlipstreamMspPackages; ++i)
     {
-        hr = BuffWriteNumber(&pbData, &cbData, (DWORD)pExecuteAction->msiPackage.rgSlipstreamPatches[i]);
+        BURN_SLIPSTREAM_MSP* pSlipstreamMsp = pExecuteAction->msiPackage.pPackage->Msi.rgSlipstreamMsps + i;
+        BOOTSTRAPPER_ACTION_STATE* pAction = fRollback ? &pSlipstreamMsp->rollback : &pSlipstreamMsp->execute;
+        hr = BuffWriteNumber(&pbData, &cbData, (DWORD)*pAction);
         ExitOnFailure(hr, "Failed to write slipstream patch action to message buffer.");
     }
 
     hr = VariableSerialize(pVariables, FALSE, &pbData, &cbData);
     ExitOnFailure(hr, "Failed to write variables.");
 
-    hr = BuffWriteNumber(&pbData, &cbData, (DWORD)fRollback);
-    ExitOnFailure(hr, "Failed to write rollback flag to message buffer.");
-
 
     // send message
     context.pfnMessageHandler = pfnMessageHandler;
@@ -2263,6 +2265,9 @@ static HRESULT OnExecuteMsiPackage(
     executeAction.type = BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE;
 
     // Deserialize message data.
+    hr = BuffReadNumber(pbData, cbData, &iData, (DWORD*)&fRollback);
+    ExitOnFailure(hr, "Failed to read rollback flag.");
+
     hr = BuffReadString(pbData, cbData, &iData, &sczPackage);
     ExitOnFailure(hr, "Failed to read MSI package id.");
 
@@ -2303,12 +2308,11 @@ static HRESULT OnExecuteMsiPackage(
     // Read slipstream patches actions.
     if (executeAction.msiPackage.pPackage->Msi.cSlipstreamMspPackages)
     {
-        executeAction.msiPackage.rgSlipstreamPatches = (BOOTSTRAPPER_ACTION_STATE*)MemAlloc(executeAction.msiPackage.pPackage->Msi.cSlipstreamMspPackages * sizeof(BOOTSTRAPPER_ACTION_STATE), TRUE);
-        ExitOnNull(executeAction.msiPackage.rgSlipstreamPatches, hr, E_OUTOFMEMORY, "Failed to allocate memory for slipstream patch actions.");
-        
         for (DWORD i = 0; i < executeAction.msiPackage.pPackage->Msi.cSlipstreamMspPackages; ++i)
         {
-            hr = BuffReadNumber(pbData, cbData, &iData, (DWORD*)&executeAction.msiPackage.rgSlipstreamPatches[i]);
+            BURN_SLIPSTREAM_MSP* pSlipstreamMsp = executeAction.msiPackage.pPackage->Msi.rgSlipstreamMsps + i;
+            BOOTSTRAPPER_ACTION_STATE* pAction = fRollback ? &pSlipstreamMsp->rollback : &pSlipstreamMsp->execute;
+            hr = BuffReadNumber(pbData, cbData, &iData, (DWORD*)pAction);
             ExitOnFailure(hr, "Failed to read slipstream action.");
         }
     }
@@ -2316,9 +2320,6 @@ static HRESULT OnExecuteMsiPackage(
     hr = VariableDeserialize(pVariables, FALSE, pbData, cbData, &iData);
     ExitOnFailure(hr, "Failed to read variables.");
 
-    hr = BuffReadNumber(pbData, cbData, &iData, (DWORD*)&fRollback);
-    ExitOnFailure(hr, "Failed to read rollback flag.");
-
     // Execute MSI package.
     hr = MsiEngineExecutePackage(hwndParent, &executeAction, pVariables, fRollback, MsiExecuteMessageHandler, hPipe, &msiRestart);
     ExitOnFailure(hr, "Failed to execute MSI package.");
diff --git a/src/engine/engine.mc b/src/engine/engine.mc
index 1cdde207..f7b18c59 100644
--- a/src/engine/engine.mc
+++ b/src/engine/engine.mc
@@ -321,14 +321,14 @@ MessageId=203
 Severity=Success
 SymbolicName=MSG_PLANNED_MSI_FEATURE
 Language=English
-Planned feature: %1!ls!, state: %2!hs!, default requested: %3!hs!, ba requested: %4!hs!, execute action: %5!hs!, rollback action: %6!hs!
+      Planned feature: %1!ls!, state: %2!hs!, default requested: %3!hs!, ba requested: %4!hs!, execute action: %5!hs!, rollback action: %6!hs!
 .
 
 MessageId=204
 Severity=Success
 SymbolicName=MSG_PLANNED_MSI_FEATURES
 Language=English
-Plan %1!u! msi features for package: %2!ls!
+   Plan %1!u! msi features for package: %2!ls!
 .
 
 MessageId=205
@@ -419,14 +419,28 @@ MessageId=218
 Severity=Success
 SymbolicName=MSG_PLANNED_MSP_TARGETS
 Language=English
-Plan %1!u! patch targets for package: %2!ls!
+   Plan %1!u! patch targets for package: %2!ls!
 .
 
 MessageId=219
 Severity=Success
 SymbolicName=MSG_PLANNED_MSP_TARGET
 Language=English
-Planned patch target: %1!ls!, state: %2!hs!, default requested: %3!hs!, ba requested: %4!hs!, execute: %5!hs!, rollback: %6!hs!
+      Planned patch target: %1!ls!, state: %2!hs!, default requested: %3!hs!, ba requested: %4!hs!, execute: %5!hs!, rollback: %6!hs!
+.
+
+MessageId=220
+Severity=Success
+SymbolicName=MSG_PLANNED_SLIPSTREAMED_MSP_TARGETS
+Language=English
+   Plan %1!u! slipstream patches for package: %2!ls!
+.
+
+MessageId=221
+Severity=Success
+SymbolicName=MSG_PLANNED_SLIPSTREAMED_MSP_TARGET
+Language=English
+      Planned slipstreamed patch: %1!ls!, execute: %2!hs!, rollback: %3!hs!
 .
 
 MessageId=299
diff --git a/src/engine/msiengine.cpp b/src/engine/msiengine.cpp
index ae105155..f0aa784e 100644
--- a/src/engine/msiengine.cpp
+++ b/src/engine/msiengine.cpp
@@ -42,7 +42,7 @@ static HRESULT ConcatFeatureActionProperties(
     );
 static HRESULT ConcatPatchProperty(
     __in BURN_PACKAGE* pPackage,
-    __in_opt BOOTSTRAPPER_ACTION_STATE* rgSlipstreamPatchActions,
+    __in BOOL fRollback,
     __inout_z LPWSTR* psczArguments
     );
 static void RegisterSourceDirectory(
@@ -1180,10 +1180,10 @@ extern "C" HRESULT MsiEngineExecutePackage(
     ExitOnFailure(hr, "Failed to add feature action properties to obfuscated argument string.");
 
     // add slipstream patch properties
-    hr = ConcatPatchProperty(pExecuteAction->msiPackage.pPackage, pExecuteAction->msiPackage.rgSlipstreamPatches, &sczProperties);
+    hr = ConcatPatchProperty(pExecuteAction->msiPackage.pPackage, fRollback, &sczProperties);
     ExitOnFailure(hr, "Failed to add patch properties to argument string.");
 
-    hr = ConcatPatchProperty(pExecuteAction->msiPackage.pPackage, pExecuteAction->msiPackage.rgSlipstreamPatches, &sczObfuscatedProperties);
+    hr = ConcatPatchProperty(pExecuteAction->msiPackage.pPackage, fRollback, &sczObfuscatedProperties);
     ExitOnFailure(hr, "Failed to add patch properties to obfuscated argument string.");
 
     hr = MsiEngineConcatActionProperty(pExecuteAction->msiPackage.actionMsiProperty, &sczProperties);
@@ -1432,6 +1432,7 @@ extern "C" HRESULT MsiEngineCalculateInstallUiLevel(
 
 extern "C" void MsiEngineUpdateInstallRegistrationState(
     __in BURN_EXECUTE_ACTION* pAction,
+    __in BOOL fRollback,
     __in HRESULT hrExecute,
     __in BOOL fInsideMsiTransaction
     )
@@ -1462,6 +1463,49 @@ extern "C" void MsiEngineUpdateInstallRegistrationState(
         pPackage->installRegistrationState = newState;
     }
 
+    if (BURN_PACKAGE_REGISTRATION_STATE_ABSENT == newState)
+    {
+        for (DWORD i = 0; i < pPackage->Msi.cChainedPatches; ++i)
+        {
+            BURN_CHAINED_PATCH* pChainedPatch = pPackage->Msi.rgChainedPatches + i;
+            BURN_MSPTARGETPRODUCT* pTargetProduct = pChainedPatch->pMspPackage->Msp.rgTargetProducts + pChainedPatch->dwMspTargetProductIndex;
+
+            if (fInsideMsiTransaction)
+            {
+                pTargetProduct->transactionRegistrationState = newState;
+            }
+            else
+            {
+                pTargetProduct->registrationState = newState;
+            }
+        }
+    }
+    else
+    {
+        for (DWORD i = 0; i < pPackage->Msi.cSlipstreamMspPackages; ++i)
+        {
+            BURN_SLIPSTREAM_MSP* pSlipstreamMsp = pPackage->Msi.rgSlipstreamMsps + i;
+            BOOTSTRAPPER_ACTION_STATE patchExecuteAction = fRollback ? pSlipstreamMsp->rollback : pSlipstreamMsp->execute;
+
+            if (BOOTSTRAPPER_ACTION_STATE_INSTALL > patchExecuteAction)
+            {
+                continue;
+            }
+
+            BURN_CHAINED_PATCH* pChainedPatch = pPackage->Msi.rgChainedPatches + pSlipstreamMsp->dwMsiChainedPatchIndex;
+            BURN_MSPTARGETPRODUCT* pTargetProduct = pChainedPatch->pMspPackage->Msp.rgTargetProducts + pChainedPatch->dwMspTargetProductIndex;
+
+            if (fInsideMsiTransaction)
+            {
+                pTargetProduct->transactionRegistrationState = newState;
+            }
+            else
+            {
+                pTargetProduct->registrationState = newState;
+            }
+        }
+    }
+
 LExit:
     return;
 }
@@ -1911,7 +1955,7 @@ LExit:
 
 static HRESULT ConcatPatchProperty(
     __in BURN_PACKAGE* pPackage,
-    __in_opt BOOTSTRAPPER_ACTION_STATE* rgSlipstreamPatchActions,
+    __in BOOL fRollback,
     __inout_z LPWSTR* psczArguments
     )
 {
@@ -1921,14 +1965,14 @@ static HRESULT ConcatPatchProperty(
     LPWSTR sczPatches = NULL;
 
     // If there are slipstream patch actions, build up their patch action.
-    if (rgSlipstreamPatchActions)
+    if (pPackage->Msi.cSlipstreamMspPackages)
     {
         for (DWORD i = 0; i < pPackage->Msi.cSlipstreamMspPackages; ++i)
         {
-            BURN_PACKAGE* pMspPackage = pPackage->Msi.rgSlipstreamMsps[i].pMspPackage;
-            AssertSz(BURN_PACKAGE_TYPE_MSP == pMspPackage->type, "Only MSP packages can be slipstream patches.");
+            BURN_SLIPSTREAM_MSP* pSlipstreamMsp = pPackage->Msi.rgSlipstreamMsps + i;
+            BURN_PACKAGE* pMspPackage = pSlipstreamMsp->pMspPackage;
+            BOOTSTRAPPER_ACTION_STATE patchExecuteAction = fRollback ? pSlipstreamMsp->rollback : pSlipstreamMsp->execute;
 
-            BOOTSTRAPPER_ACTION_STATE patchExecuteAction = rgSlipstreamPatchActions[i];
             if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL < patchExecuteAction)
             {
                 hr = CacheGetCompletedPath(pMspPackage->fPerMachine, pMspPackage->sczCacheId, &sczCachedDirectory);
diff --git a/src/engine/msiengine.h b/src/engine/msiengine.h
index 6c7c83e5..e2dc5e82 100644
--- a/src/engine/msiengine.h
+++ b/src/engine/msiengine.h
@@ -95,6 +95,7 @@ HRESULT MsiEngineCalculateInstallUiLevel(
     );
 void MsiEngineUpdateInstallRegistrationState(
     __in BURN_EXECUTE_ACTION* pAction,
+    __in BOOL fRollback,
     __in HRESULT hrExecute,
     __in BOOL fInsideMsiTransaction
     );
diff --git a/src/engine/mspengine.cpp b/src/engine/mspengine.cpp
index 4b7f9a0a..ed105d24 100644
--- a/src/engine/mspengine.cpp
+++ b/src/engine/mspengine.cpp
@@ -372,6 +372,7 @@ extern "C" HRESULT MspEnginePlanCalculatePackage(
     )
 {
     HRESULT hr = S_OK;
+    BOOL fWillUninstallAll = TRUE;
 
     for (DWORD i = 0; i < pPackage->Msp.cTargetProductCodes; ++i)
     {
@@ -388,6 +389,7 @@ extern "C" HRESULT MspEnginePlanCalculatePackage(
             {
             case BOOTSTRAPPER_REQUEST_STATE_REPAIR:
                 execute = BOOTSTRAPPER_ACTION_STATE_REPAIR;
+                fWillUninstallAll = FALSE;
                 break;
 
             case BOOTSTRAPPER_REQUEST_STATE_ABSENT: __fallthrough;
@@ -401,6 +403,7 @@ extern "C" HRESULT MspEnginePlanCalculatePackage(
 
             default:
                 execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+                fWillUninstallAll = FALSE;
                 break;
             }
             break;
@@ -411,6 +414,7 @@ extern "C" HRESULT MspEnginePlanCalculatePackage(
             case BOOTSTRAPPER_REQUEST_STATE_PRESENT: __fallthrough;
             case BOOTSTRAPPER_REQUEST_STATE_REPAIR:
                 execute = BOOTSTRAPPER_ACTION_STATE_INSTALL;
+                fWillUninstallAll = FALSE;
                 break;
 
             default:
@@ -418,6 +422,13 @@ extern "C" HRESULT MspEnginePlanCalculatePackage(
                 break;
             }
             break;
+
+        default:
+            if (pTargetProduct->fInstalled)
+            {
+                fWillUninstallAll = FALSE;
+            }
+            break;
         }
 
         // Calculate the rollback action if there is an execute action.
@@ -475,6 +486,13 @@ extern "C" HRESULT MspEnginePlanCalculatePackage(
         }
     }
 
+    // The dependency manager will do the wrong thing if the package level action is UNINSTALL
+    // when the patch will still be applied to at least one product.
+    if (!fWillUninstallAll && BOOTSTRAPPER_ACTION_STATE_UNINSTALL == pPackage->execute)
+    {
+        pPackage->execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+    }
+
     return hr;
 }
 
@@ -776,16 +794,22 @@ extern "C" void MspEngineFinalizeInstallRegistrationState(
         ExitFunction();
     }
 
-    pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_ABSENT;
-
-    for (DWORD i = 0; i < pPackage->Msp.cTargetProductCodes; ++i)
+    if (!pPackage->Msp.cTargetProductCodes)
     {
-        BURN_MSPTARGETPRODUCT* pTargetProduct = pPackage->Msp.rgTargetProducts + i;
+        pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_ABSENT;
+    }
+    else
+    {
+        pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_UNKNOWN;
 
-        if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pTargetProduct->registrationState)
+        for (DWORD i = 0; i < pPackage->Msp.cTargetProductCodes; ++i)
         {
-            pPackage->installRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
-            break;
+            BURN_MSPTARGETPRODUCT* pTargetProduct = pPackage->Msp.rgTargetProducts + i;
+
+            if (pPackage->installRegistrationState < pTargetProduct->registrationState)
+            {
+                pPackage->installRegistrationState = pTargetProduct->registrationState;
+            }
         }
     }
 
diff --git a/src/engine/package.h b/src/engine/package.h
index 283afa57..3a95852e 100644
--- a/src/engine/package.h
+++ b/src/engine/package.h
@@ -83,8 +83,8 @@ enum BOOTSTRAPPER_FEATURE_ACTION
 enum BURN_PACKAGE_REGISTRATION_STATE
 {
     BURN_PACKAGE_REGISTRATION_STATE_UNKNOWN,
-    BURN_PACKAGE_REGISTRATION_STATE_IGNORED,
     BURN_PACKAGE_REGISTRATION_STATE_ABSENT,
+    BURN_PACKAGE_REGISTRATION_STATE_IGNORED,
     BURN_PACKAGE_REGISTRATION_STATE_PRESENT,
 };
 
@@ -186,6 +186,9 @@ typedef struct _BURN_SLIPSTREAM_MSP
 {
     BURN_PACKAGE* pMspPackage;
     DWORD dwMsiChainedPatchIndex; // index into the Msi.rgChainedPatches
+
+    BOOTSTRAPPER_ACTION_STATE execute;    // only valid during Plan.
+    BOOTSTRAPPER_ACTION_STATE rollback;   // only valid during Plan.
 } BURN_SLIPSTREAM_MSP;
 
 typedef struct _BURN_PACKAGE_PAYLOAD
diff --git a/src/engine/plan.cpp b/src/engine/plan.cpp
index 86a07dfb..b3cb0ee3 100644
--- a/src/engine/plan.cpp
+++ b/src/engine/plan.cpp
@@ -154,11 +154,15 @@ static void RemoveUnnecessaryActions(
     __in BURN_EXECUTE_ACTION* rgActions,
     __in DWORD cActions
     );
-static HRESULT FinalizeSlipstreamPatchActions(
+static void FinalizePatchActions(
     __in BOOL fExecute,
     __in BURN_EXECUTE_ACTION* rgActions,
     __in DWORD cActions
     );
+static void CalculateExpectedRegistrationStates(
+    __in BURN_PACKAGE* rgPackages,
+    __in DWORD cPackages
+    );
 static HRESULT PlanDependencyActions(
     __in BOOL fBundlePerMachine,
     __in BURN_PLAN* pPlan,
@@ -301,7 +305,6 @@ extern "C" void PlanUninitializeExecuteAction(
     case BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE:
         ReleaseStr(pExecuteAction->msiPackage.sczLogPath);
         ReleaseMem(pExecuteAction->msiPackage.rgFeatures);
-        ReleaseMem(pExecuteAction->msiPackage.rgSlipstreamPatches);
         break;
 
     case BURN_EXECUTE_ACTION_TYPE_MSP_TARGET:
@@ -823,6 +826,8 @@ static HRESULT PlanPackagesHelper(
     hr = PlanFinalizeActions(pPlan);
     ExitOnFailure(hr, "Failed to remove unnecessary actions from plan.");
 
+    CalculateExpectedRegistrationStates(rgPackages, cPackages);
+
     // Let the BA know the actions that were planned.
     for (DWORD i = 0; i < cPackages; ++i)
     {
@@ -848,6 +853,12 @@ static HRESULT InitializePackage(
     BOOL fInstallCondition = FALSE;
     BOOL fBeginCalled = FALSE;
 
+    if (pPackage->fCanAffectRegistration)
+    {
+        pPackage->expectedCacheRegistrationState = pPackage->cacheRegistrationState;
+        pPackage->expectedInstallRegistrationState = pPackage->installRegistrationState;
+    }
+
     if (pPackage->sczInstallCondition && *pPackage->sczInstallCondition)
     {
         hr = ConditionEvaluate(pVariables, pPackage->sczInstallCondition, &fInstallCondition);
@@ -903,68 +914,24 @@ static HRESULT ProcessPackage(
     hr = ProcessPackageRollbackBoundary(pPlan, pEffectiveRollbackBoundary, ppRollbackBoundary);
     ExitOnFailure(hr, "Failed to process package rollback boundary.");
 
-    if (pPackage->fCanAffectRegistration)
+    if (BOOTSTRAPPER_ACTION_LAYOUT == pPlan->action)
     {
-        pPackage->expectedCacheRegistrationState = pPackage->cacheRegistrationState;
-        pPackage->expectedInstallRegistrationState = pPackage->installRegistrationState;
+        hr = PlanLayoutPackage(pPlan, pPackage, wzLayoutDirectory);
+        ExitOnFailure(hr, "Failed to plan layout package.");
     }
-
-    // If the package is in a requested state, plan it.
-    if (BOOTSTRAPPER_REQUEST_STATE_NONE != pPackage->requested)
+    else
     {
-        if (BOOTSTRAPPER_ACTION_LAYOUT == pPlan->action)
-        {
-            hr = PlanLayoutPackage(pPlan, pPackage, wzLayoutDirectory);
-            ExitOnFailure(hr, "Failed to plan layout package.");
-        }
-        else
+        if (BOOTSTRAPPER_REQUEST_STATE_NONE != pPackage->requested)
         {
+            // If the package is in a requested state, plan it.
             hr = PlanExecutePackage(fBundlePerMachine, display, pUX, pPlan, pPackage, pLog, pVariables, phSyncpointEvent);
             ExitOnFailure(hr, "Failed to plan execute package.");
-
-            if (pPackage->fCanAffectRegistration)
-            {
-                if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL < pPackage->execute)
-                {
-                    pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
-                }
-                else if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL == pPackage->execute)
-                {
-                    pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_ABSENT;
-                }
-            }
-        }
-    }
-    else if (BOOTSTRAPPER_ACTION_LAYOUT != pPlan->action)
-    {
-        // Make sure the package is properly ref-counted even if no plan is requested.
-        hr = PlanDependencyActions(fBundlePerMachine, pPlan, pPackage);
-        ExitOnFailure(hr, "Failed to plan dependency actions for package: %ls", pPackage->sczId);
-    }
-
-    if (pPackage->fCanAffectRegistration)
-    {
-        if (BURN_DEPENDENCY_ACTION_REGISTER == pPackage->dependencyExecute)
-        {
-            if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pPackage->expectedCacheRegistrationState)
-            {
-                pPackage->expectedCacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
-            }
-            if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pPackage->expectedInstallRegistrationState)
-            {
-                pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
-            }
         }
-        else if (BURN_DEPENDENCY_ACTION_UNREGISTER == pPackage->dependencyExecute)
+        else
         {
-            if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pPackage->expectedCacheRegistrationState)
-            {
-                pPackage->expectedCacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
-            }
-            if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pPackage->expectedInstallRegistrationState)
-            {
-                pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
-            }
+            // Make sure the package is properly ref-counted even if no plan is requested.
+            hr = PlanDependencyActions(fBundlePerMachine, pPlan, pPackage);
+            ExitOnFailure(hr, "Failed to plan dependency actions for package: %ls", pPackage->sczId);
         }
     }
 
@@ -1498,17 +1465,14 @@ extern "C" HRESULT PlanFinalizeActions(
 {
     HRESULT hr = S_OK;
 
-    RemoveUnnecessaryActions(TRUE, pPlan->rgExecuteActions, pPlan->cExecuteActions);
+    FinalizePatchActions(TRUE, pPlan->rgExecuteActions, pPlan->cExecuteActions);
 
-    RemoveUnnecessaryActions(FALSE, pPlan->rgRollbackActions, pPlan->cRollbackActions);
+    FinalizePatchActions(FALSE, pPlan->rgRollbackActions, pPlan->cRollbackActions);
 
-    hr = FinalizeSlipstreamPatchActions(TRUE, pPlan->rgExecuteActions, pPlan->cExecuteActions);
-    ExitOnFailure(hr, "Failed to finalize slipstream execute actions.");
+    RemoveUnnecessaryActions(TRUE, pPlan->rgExecuteActions, pPlan->cExecuteActions);
 
-    hr = FinalizeSlipstreamPatchActions(FALSE, pPlan->rgRollbackActions, pPlan->cRollbackActions);
-    ExitOnFailure(hr, "Failed to finalize slipstream rollback actions.");
+    RemoveUnnecessaryActions(FALSE, pPlan->rgRollbackActions, pPlan->cRollbackActions);
 
-LExit:
     return hr;
 }
 
@@ -1868,7 +1832,7 @@ static void ResetPlannedPackageState(
     pPackage->expectedCacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_UNKNOWN;
     pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_UNKNOWN;
 
-    if (BURN_PACKAGE_TYPE_MSI == pPackage->type && pPackage->Msi.rgFeatures)
+    if (BURN_PACKAGE_TYPE_MSI == pPackage->type)
     {
         for (DWORD i = 0; i < pPackage->Msi.cFeatures; ++i)
         {
@@ -1880,6 +1844,14 @@ static void ResetPlannedPackageState(
             pFeature->execute = BOOTSTRAPPER_FEATURE_ACTION_NONE;
             pFeature->rollback = BOOTSTRAPPER_FEATURE_ACTION_NONE;
         }
+
+        for (DWORD i = 0; i < pPackage->Msi.cSlipstreamMspPackages; ++i)
+        {
+            BURN_SLIPSTREAM_MSP* pSlipstreamMsp = &pPackage->Msi.rgSlipstreamMsps[i];
+
+            pSlipstreamMsp->execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+            pSlipstreamMsp->rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+        }
     }
     else if (BURN_PACKAGE_TYPE_MSP == pPackage->type && pPackage->Msp.rgTargetProducts)
     {
@@ -2716,101 +2688,165 @@ static void RemoveUnnecessaryActions(
     {
         BURN_EXECUTE_ACTION* pAction = rgActions + i;
 
-        // If this MSP targets a package in the chain, check the target's execute state
-        // to see if this patch should be skipped.
         if (BURN_EXECUTE_ACTION_TYPE_MSP_TARGET == pAction->type && pAction->mspTarget.pChainedTargetPackage)
         {
+            BURN_MSPTARGETPRODUCT* pFirstTargetProduct = pAction->mspTarget.rgOrderedPatches->pTargetProduct;
+            BURN_PATCH_SKIP_STATE skipState = fExecute ? pFirstTargetProduct->executeSkip : pFirstTargetProduct->rollbackSkip;
             BOOTSTRAPPER_ACTION_STATE chainedTargetPackageAction = fExecute ? pAction->mspTarget.pChainedTargetPackage->execute : pAction->mspTarget.pChainedTargetPackage->rollback;
-            BURN_PATCH_SKIP_STATE skipState = BURN_PATCH_SKIP_STATE_NONE;
-            if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL == chainedTargetPackageAction)
-            {
-                skipState = BURN_PATCH_SKIP_STATE_TARGET_UNINSTALL;
-                LogId(REPORT_STANDARD, MSG_PLAN_SKIP_PATCH_ACTION, pAction->mspTarget.pPackage->sczId, LoggingActionStateToString(pAction->mspTarget.action), pAction->mspTarget.pChainedTargetPackage->sczId, LoggingActionStateToString(chainedTargetPackageAction), szExecuteOrRollback);
-            }
-            else if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL < chainedTargetPackageAction && pAction->mspTarget.fSlipstream && BOOTSTRAPPER_ACTION_STATE_UNINSTALL < pAction->mspTarget.action)
-            {
-                // If the slipstream target is being installed or upgraded (not uninstalled or repaired) then we will slipstream so skip
-                // this action to install the patch standalone. Also, if the slipstream target is being repaired and the patch is being
-                // repaired, skip this operation since it will be redundant.
-                //
-                // The primary goal here is to ensure that a slipstream patch that is yet not installed is installed even if the MSI
-                // is already on the machine. The slipstream must be installed standalone if the MSI is being repaired.
-                if (BOOTSTRAPPER_ACTION_STATE_REPAIR != chainedTargetPackageAction || BOOTSTRAPPER_ACTION_STATE_REPAIR == pAction->mspTarget.action)
-                {
-                    skipState = BURN_PATCH_SKIP_STATE_SLIPSTREAM;
-                    LogId(REPORT_STANDARD, MSG_PLAN_SKIP_SLIPSTREAM_ACTION, pAction->mspTarget.pPackage->sczId, LoggingActionStateToString(pAction->mspTarget.action), pAction->mspTarget.pChainedTargetPackage->sczId, LoggingActionStateToString(chainedTargetPackageAction), szExecuteOrRollback);
-                }
-            }
 
-            if (BURN_PATCH_SKIP_STATE_NONE != skipState)
+            switch (skipState)
             {
+            case BURN_PATCH_SKIP_STATE_TARGET_UNINSTALL:
                 pAction->fDeleted = TRUE;
-
-                for (DWORD j = 0; j < pAction->mspTarget.cOrderedPatches; ++j)
-                {
-                    BURN_MSPTARGETPRODUCT* pTargetProduct = pAction->mspTarget.rgOrderedPatches[j].pTargetProduct;
-
-                    if (fExecute)
-                    {
-                        pTargetProduct->executeSkip = skipState;
-                    }
-                    else
-                    {
-                        pTargetProduct->rollbackSkip = skipState;
-                    }
-                }
+                LogId(REPORT_STANDARD, MSG_PLAN_SKIP_PATCH_ACTION, pAction->mspTarget.pPackage->sczId, LoggingActionStateToString(pAction->mspTarget.action), pAction->mspTarget.pChainedTargetPackage->sczId, LoggingActionStateToString(chainedTargetPackageAction), szExecuteOrRollback);
+                break;
+            case BURN_PATCH_SKIP_STATE_SLIPSTREAM:
+                pAction->fDeleted = TRUE;
+                LogId(REPORT_STANDARD, MSG_PLAN_SKIP_SLIPSTREAM_ACTION, pAction->mspTarget.pPackage->sczId, LoggingActionStateToString(pAction->mspTarget.action), pAction->mspTarget.pChainedTargetPackage->sczId, LoggingActionStateToString(chainedTargetPackageAction), szExecuteOrRollback);
+                break;
             }
         }
     }
 }
 
-static HRESULT FinalizeSlipstreamPatchActions(
+static void FinalizePatchActions(
     __in BOOL fExecute,
     __in BURN_EXECUTE_ACTION* rgActions,
     __in DWORD cActions
     )
 {
-    HRESULT hr = S_OK;
-
     for (DWORD i = 0; i < cActions; ++i)
     {
         BURN_EXECUTE_ACTION* pAction = rgActions + i;
 
-        // If this MSI package contains slipstream patches store the slipstream actions.
-        if (BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE == pAction->type && pAction->msiPackage.pPackage->Msi.cSlipstreamMspPackages)
+        if (BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE == pAction->type)
         {
             BURN_PACKAGE* pPackage = pAction->msiPackage.pPackage;
+            AssertSz(BOOTSTRAPPER_ACTION_STATE_NONE < pAction->msiPackage.action, "Planned execute MSI action to do nothing");
 
-            // By default all slipstream actions will be initialized to "no action" (aka: 0).
-            pAction->msiPackage.rgSlipstreamPatches = (BOOTSTRAPPER_ACTION_STATE*)MemAlloc(sizeof(BOOTSTRAPPER_ACTION_STATE) * pPackage->Msi.cSlipstreamMspPackages, TRUE);
-            ExitOnNull(pAction->msiPackage.rgSlipstreamPatches, hr, E_OUTOFMEMORY, "Failed to allocate memory for patch actions.");
+            if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL == pAction->msiPackage.action)
+            {
+                // If we are uninstalling the MSI, we must skip all the patches.
+                for (DWORD j = 0; j < pPackage->Msi.cChainedPatches; ++j)
+                {
+                    BURN_CHAINED_PATCH* pChainedPatch = pPackage->Msi.rgChainedPatches + j;
+                    BURN_MSPTARGETPRODUCT* pTargetProduct = pChainedPatch->pMspPackage->Msp.rgTargetProducts + pChainedPatch->dwMspTargetProductIndex;
 
-            // If we are uninstalling or repairing the MSI, we must ignore all the slipstream patches because they cannot
-            // be applied right now.
-            if (BOOTSTRAPPER_ACTION_STATE_REPAIR != pAction->msiPackage.action && BOOTSTRAPPER_ACTION_STATE_UNINSTALL != pAction->msiPackage.action)
+                    if (fExecute)
+                    {
+                        pTargetProduct->execute = BOOTSTRAPPER_ACTION_STATE_UNINSTALL;
+                        pTargetProduct->executeSkip = BURN_PATCH_SKIP_STATE_TARGET_UNINSTALL;
+                    }
+                    else
+                    {
+                        pTargetProduct->rollback = BOOTSTRAPPER_ACTION_STATE_UNINSTALL;
+                        pTargetProduct->rollbackSkip = BURN_PATCH_SKIP_STATE_TARGET_UNINSTALL;
+                    }
+                }
+            }
+            else
             {
+                // If the slipstream target is being installed or upgraded (not uninstalled or repaired) then we will slipstream so skip
+                // the patch's standalone action. Also, if the slipstream target is being repaired and the patch is being
+                // repaired, skip this operation since it will be redundant.
+                //
+                // The primary goal here is to ensure that a slipstream patch that is yet not installed is installed even if the MSI
+                // is already on the machine. The slipstream must be installed standalone if the MSI is being repaired.
                 for (DWORD j = 0; j < pPackage->Msi.cSlipstreamMspPackages; ++j)
                 {
-                    BURN_PACKAGE* pMspPackage = pPackage->Msi.rgSlipstreamMsps[j].pMspPackage;
-                    AssertSz(BURN_PACKAGE_TYPE_MSP == pMspPackage->type, "Only MSP packages can be slipstream patches.");
-
-                    pAction->msiPackage.rgSlipstreamPatches[j] = fExecute ? pMspPackage->execute : pMspPackage->rollback;
-                    for (DWORD k = 0; k < pMspPackage->Msp.cTargetProductCodes; ++k)
+                    BURN_SLIPSTREAM_MSP* pSlipstreamMsp = pPackage->Msi.rgSlipstreamMsps + j;
+                    BURN_CHAINED_PATCH* pChainedPatch = pPackage->Msi.rgChainedPatches + pSlipstreamMsp->dwMsiChainedPatchIndex;
+                    BURN_MSPTARGETPRODUCT* pTargetProduct = pSlipstreamMsp->pMspPackage->Msp.rgTargetProducts + pChainedPatch->dwMspTargetProductIndex;
+                    BOOTSTRAPPER_ACTION_STATE action = fExecute ? pTargetProduct->execute : pTargetProduct->rollback;
+                    BOOL fSlipstream = BOOTSTRAPPER_ACTION_STATE_UNINSTALL < action &&
+                                       (BOOTSTRAPPER_ACTION_STATE_REPAIR != pAction->msiPackage.action || BOOTSTRAPPER_ACTION_STATE_REPAIR == action);
+
+                    if (fSlipstream)
                     {
-                        BURN_MSPTARGETPRODUCT* pTargetProduct = pMspPackage->Msp.rgTargetProducts + k;
-                        if (pPackage == pTargetProduct->pChainedTargetPackage)
+                        if (fExecute)
+                        {
+                            pSlipstreamMsp->execute = action;
+                            pTargetProduct->executeSkip = BURN_PATCH_SKIP_STATE_SLIPSTREAM;
+                        }
+                        else
                         {
-                            pAction->msiPackage.rgSlipstreamPatches[j] = fExecute ? pTargetProduct->execute : pTargetProduct->rollback;
-                            break;
+                            pSlipstreamMsp->rollback = action;
+                            pTargetProduct->rollbackSkip = BURN_PATCH_SKIP_STATE_SLIPSTREAM;
                         }
                     }
                 }
             }
         }
     }
+}
 
-LExit:
-    return hr;
+static void CalculateExpectedRegistrationStates(
+    __in BURN_PACKAGE* rgPackages,
+    __in DWORD cPackages
+    )
+{
+    for (DWORD i = 0; i < cPackages; ++i)
+    {
+        BURN_PACKAGE* pPackage = rgPackages + i;
+
+        // MspPackages can have actions throughout the plan, so the plan needed to be finalized before anything could be calculated.
+        if (BURN_PACKAGE_TYPE_MSP == pPackage->type && !pPackage->fDependencyManagerWasHere)
+        {
+            pPackage->execute = BOOTSTRAPPER_ACTION_STATE_NONE;
+            pPackage->rollback = BOOTSTRAPPER_ACTION_STATE_NONE;
+
+            for (DWORD j = 0; j < pPackage->Msp.cTargetProductCodes; ++j)
+            {
+                BURN_MSPTARGETPRODUCT* pTargetProduct = pPackage->Msp.rgTargetProducts + j;
+
+                // The highest aggregate action state found will be used.
+                if (pPackage->execute < pTargetProduct->execute)
+                {
+                    pPackage->execute = pTargetProduct->execute;
+                }
+
+                if (pPackage->rollback < pTargetProduct->rollback)
+                {
+                    pPackage->rollback = pTargetProduct->rollback;
+                }
+            }
+        }
+
+        if (pPackage->fCanAffectRegistration)
+        {
+            if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL < pPackage->execute)
+            {
+                pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
+            }
+            else if (BOOTSTRAPPER_ACTION_STATE_UNINSTALL == pPackage->execute)
+            {
+                pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_ABSENT;
+            }
+
+            if (BURN_DEPENDENCY_ACTION_REGISTER == pPackage->dependencyExecute)
+            {
+                if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pPackage->expectedCacheRegistrationState)
+                {
+                    pPackage->expectedCacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
+                }
+                if (BURN_PACKAGE_REGISTRATION_STATE_IGNORED == pPackage->expectedInstallRegistrationState)
+                {
+                    pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_PRESENT;
+                }
+            }
+            else if (BURN_DEPENDENCY_ACTION_UNREGISTER == pPackage->dependencyExecute)
+            {
+                if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pPackage->expectedCacheRegistrationState)
+                {
+                    pPackage->expectedCacheRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
+                }
+                if (BURN_PACKAGE_REGISTRATION_STATE_PRESENT == pPackage->expectedInstallRegistrationState)
+                {
+                    pPackage->expectedInstallRegistrationState = BURN_PACKAGE_REGISTRATION_STATE_IGNORED;
+                }
+            }
+        }
+    }
 }
 
 static HRESULT PlanDependencyActions(
@@ -3064,6 +3100,11 @@ static void ExecuteActionLog(
 
     case BURN_EXECUTE_ACTION_TYPE_MSI_PACKAGE:
         LogStringLine(PlanDumpLevel, "%ls action[%u]: MSI_PACKAGE package id: %ls, action: %hs, action msi property: %ls, ui level: %u, disable externaluihandler: %ls, log path: %ls, logging attrib: %u", wzBase, iAction, pAction->msiPackage.pPackage->sczId, LoggingActionStateToString(pAction->msiPackage.action), LoggingBurnMsiPropertyToString(pAction->msiPackage.actionMsiProperty), pAction->msiPackage.uiLevel, pAction->msiPackage.fDisableExternalUiHandler ? L"yes" : L"no", pAction->msiPackage.sczLogPath, pAction->msiPackage.dwLoggingAttributes);
+        for (DWORD j = 0; j < pAction->msiPackage.pPackage->Msi.cSlipstreamMspPackages; ++j)
+        {
+            const BURN_SLIPSTREAM_MSP* pSlipstreamMsp = pAction->msiPackage.pPackage->Msi.rgSlipstreamMsps + j;
+            LogStringLine(PlanDumpLevel, "      Patch[%u]: msp package id: %ls, action: %hs", j, pSlipstreamMsp->pMspPackage->sczId, LoggingActionStateToString(fRollback ? pSlipstreamMsp->rollback : pSlipstreamMsp->execute));
+        }
         break;
 
     case BURN_EXECUTE_ACTION_TYPE_MSP_TARGET:
diff --git a/src/engine/plan.h b/src/engine/plan.h
index 5e981561..5e1985ea 100644
--- a/src/engine/plan.h
+++ b/src/engine/plan.h
@@ -253,7 +253,6 @@ typedef struct _BURN_EXECUTE_ACTION
             BOOTSTRAPPER_ACTION_STATE action;
 
             BOOTSTRAPPER_FEATURE_ACTION* rgFeatures;
-            BOOTSTRAPPER_ACTION_STATE* rgSlipstreamPatches;
         } msiPackage;
         struct
         {
diff --git a/src/test/BurnUnitTest/PlanTest.cpp b/src/test/BurnUnitTest/PlanTest.cpp
index 820f88c2..40a61fe3 100644
--- a/src/test/BurnUnitTest/PlanTest.cpp
+++ b/src/test/BurnUnitTest/PlanTest.cpp
@@ -760,7 +760,7 @@ namespace Bootstrapper
             Assert::Equal(3ul, pEngineState->packages.cPackages);
             ValidatePermanentPackageExpectedStates(&pEngineState->packages.rgPackages[0], L"NetFx48Web");
             ValidateNonPermanentPackageExpectedStates(&pEngineState->packages.rgPackages[1], L"PackageA", BURN_PACKAGE_REGISTRATION_STATE_PRESENT, BURN_PACKAGE_REGISTRATION_STATE_PRESENT);
-            ValidateNonPermanentPackageExpectedStates(&pEngineState->packages.rgPackages[2], L"PatchA", BURN_PACKAGE_REGISTRATION_STATE_ABSENT, BURN_PACKAGE_REGISTRATION_STATE_PRESENT);
+            ValidateNonPermanentPackageExpectedStates(&pEngineState->packages.rgPackages[2], L"PatchA", BURN_PACKAGE_REGISTRATION_STATE_PRESENT, BURN_PACKAGE_REGISTRATION_STATE_PRESENT);
         }
 
         [Fact]