diff --git a/SDK/Macro Samples/GetTimeElapsed_CSharp/Source/GetTimeElapsed_CSharp/GetTimeElapsed_CSharp.csproj b/SDK/Macro Samples/GetTimeElapsed_CSharp/Source/GetTimeElapsed_CSharp/GetTimeElapsed_CSharp.csproj
index 159e9c72..994338e2 100644
--- a/SDK/Macro Samples/GetTimeElapsed_CSharp/Source/GetTimeElapsed_CSharp/GetTimeElapsed_CSharp.csproj	
+++ b/SDK/Macro Samples/GetTimeElapsed_CSharp/Source/GetTimeElapsed_CSharp/GetTimeElapsed_CSharp.csproj	
@@ -57,7 +57,7 @@
   <ItemGroup>
     <Reference Include="RevitAPIUI, Version=2011.0.0.0, Culture=neutral, processorArchitecture=x86">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\..\..\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
@@ -69,7 +69,7 @@
     <Reference Include="System.Xml" />
     <Reference Include="RevitAPI">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\..\..\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
   </ItemGroup>
diff --git a/SDK/Macro Samples/GetTimeElapsed_VBNet/Source/GetTimeElapsed_VBNet/GetTimeElapsed_VBNet.vbproj b/SDK/Macro Samples/GetTimeElapsed_VBNet/Source/GetTimeElapsed_VBNet/GetTimeElapsed_VBNet.vbproj
index d859094a..785aad28 100644
--- a/SDK/Macro Samples/GetTimeElapsed_VBNet/Source/GetTimeElapsed_VBNet/GetTimeElapsed_VBNet.vbproj	
+++ b/SDK/Macro Samples/GetTimeElapsed_VBNet/Source/GetTimeElapsed_VBNet/GetTimeElapsed_VBNet.vbproj	
@@ -61,7 +61,7 @@
   <ItemGroup>
     <Reference Include="RevitAPIUI, Version=2011.0.0.0, Culture=neutral, processorArchitecture=x86">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\..\..\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
@@ -76,7 +76,7 @@
     </Reference>
     <Reference Include="RevitAPI">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\..\..\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
   </ItemGroup>
diff --git a/SDK/Macro Samples/Rooms/Source/Rooms/Rooms.csproj b/SDK/Macro Samples/Rooms/Source/Rooms/Rooms.csproj
index 6a07234d..76b87608 100644
--- a/SDK/Macro Samples/Rooms/Source/Rooms/Rooms.csproj	
+++ b/SDK/Macro Samples/Rooms/Source/Rooms/Rooms.csproj	
@@ -71,11 +71,11 @@
   <!-- This sections specifies references for the project. -->
   <ItemGroup>
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/REX SDK/Samples/ContentGeneratorWPF/ContentGeneratorWPF/ContentGeneratorWPF.csproj b/SDK/REX SDK/Samples/ContentGeneratorWPF/ContentGeneratorWPF/ContentGeneratorWPF.csproj
index 5090e298..b21891ec 100644
--- a/SDK/REX SDK/Samples/ContentGeneratorWPF/ContentGeneratorWPF/ContentGeneratorWPF.csproj	
+++ b/SDK/REX SDK/Samples/ContentGeneratorWPF/ContentGeneratorWPF/ContentGeneratorWPF.csproj	
@@ -78,11 +78,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>q:\Ref\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>q:\Ref\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.API">
diff --git a/SDK/REX SDK/Samples/DRevitFreezeDrawing/DRevitFreezeDrawing/DRevitFreezeDrawing.csproj b/SDK/REX SDK/Samples/DRevitFreezeDrawing/DRevitFreezeDrawing/DRevitFreezeDrawing.csproj
index a09e45f2..5006a551 100644
--- a/SDK/REX SDK/Samples/DRevitFreezeDrawing/DRevitFreezeDrawing/DRevitFreezeDrawing.csproj	
+++ b/SDK/REX SDK/Samples/DRevitFreezeDrawing/DRevitFreezeDrawing/DRevitFreezeDrawing.csproj	
@@ -71,11 +71,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>C:\program files\Autodesk\Revit 2018\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>C:\program files\Autodesk\Revit 2018\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.Controls">
diff --git a/SDK/REX SDK/Samples/ElementReportHTML/ElementReportHTML/ElementReportHTML.csproj b/SDK/REX SDK/Samples/ElementReportHTML/ElementReportHTML/ElementReportHTML.csproj
index 1a959a83..4fbdd6fe 100644
--- a/SDK/REX SDK/Samples/ElementReportHTML/ElementReportHTML/ElementReportHTML.csproj	
+++ b/SDK/REX SDK/Samples/ElementReportHTML/ElementReportHTML/ElementReportHTML.csproj	
@@ -78,11 +78,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>q:\Ref\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>q:\Ref\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.API">
diff --git a/SDK/REX SDK/Samples/ExtensionRevitLauncher/ExtensionRevitLauncher/ExtensionRevitLauncher.csproj b/SDK/REX SDK/Samples/ExtensionRevitLauncher/ExtensionRevitLauncher/ExtensionRevitLauncher.csproj
index 547b3015..501cd871 100644
--- a/SDK/REX SDK/Samples/ExtensionRevitLauncher/ExtensionRevitLauncher/ExtensionRevitLauncher.csproj	
+++ b/SDK/REX SDK/Samples/ExtensionRevitLauncher/ExtensionRevitLauncher/ExtensionRevitLauncher.csproj	
@@ -42,11 +42,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>C:\program files\Autodesk\Revit 2018\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>C:\program files\Autodesk\Revit 2018\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/REX SDK/Samples/FrameGenerator/FrameGenerator/FrameGenerator.csproj b/SDK/REX SDK/Samples/FrameGenerator/FrameGenerator/FrameGenerator.csproj
index c05a666a..9cd32d0c 100644
--- a/SDK/REX SDK/Samples/FrameGenerator/FrameGenerator/FrameGenerator.csproj	
+++ b/SDK/REX SDK/Samples/FrameGenerator/FrameGenerator/FrameGenerator.csproj	
@@ -70,11 +70,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>q:\Ref\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>q:\Ref\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.Controls">
diff --git a/SDK/REX SDK/Samples/PyramidGenerator/PyramidGenerator/PyramidGenerator.csproj b/SDK/REX SDK/Samples/PyramidGenerator/PyramidGenerator/PyramidGenerator.csproj
index 2401ea8b..59c8d1f7 100644
--- a/SDK/REX SDK/Samples/PyramidGenerator/PyramidGenerator/PyramidGenerator.csproj	
+++ b/SDK/REX SDK/Samples/PyramidGenerator/PyramidGenerator/PyramidGenerator.csproj	
@@ -78,11 +78,11 @@
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>q:\Ref\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>q:\Ref\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.API">
diff --git a/SDK/REX SDK/Samples/Serialization/Serialization/Serialization.csproj b/SDK/REX SDK/Samples/Serialization/Serialization/Serialization.csproj
index 28d7f0b6..bea8fff6 100644
--- a/SDK/REX SDK/Samples/Serialization/Serialization/Serialization.csproj	
+++ b/SDK/REX SDK/Samples/Serialization/Serialization/Serialization.csproj	
@@ -70,11 +70,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>q:\Ref\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>q:\Ref\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.Controls">
diff --git a/SDK/REX SDK/Samples/Unit/Unit/Unit.csproj b/SDK/REX SDK/Samples/Unit/Unit/Unit.csproj
index 62860354..44c14b05 100644
--- a/SDK/REX SDK/Samples/Unit/Unit/Unit.csproj	
+++ b/SDK/REX SDK/Samples/Unit/Unit/Unit.csproj	
@@ -70,11 +70,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>q:\Ref\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>q:\Ref\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="REX.Controls">
diff --git a/SDK/Samples/AddSpaceAndZone/CS/AddSpaceAndZone.csproj b/SDK/Samples/AddSpaceAndZone/CS/AddSpaceAndZone.csproj
index db2b94cb..37482d5d 100644
--- a/SDK/Samples/AddSpaceAndZone/CS/AddSpaceAndZone.csproj
+++ b/SDK/Samples/AddSpaceAndZone/CS/AddSpaceAndZone.csproj
@@ -54,6 +54,18 @@
     <RunPostBuildEvent>OnOutputUpdated</RunPostBuildEvent>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="RevitAddInUtility">
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAddInUtility.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="RevitAPI">
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="RevitAPIUI">
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
diff --git a/SDK/Samples/AllViews/CS/AllViews.csproj b/SDK/Samples/AllViews/CS/AllViews.csproj
index 65658b36..5f353028 100644
--- a/SDK/Samples/AllViews/CS/AllViews.csproj
+++ b/SDK/Samples/AllViews/CS/AllViews.csproj
@@ -62,6 +62,18 @@
     <RunPostBuildEvent>OnOutputUpdated</RunPostBuildEvent>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="RevitAddInUtility">
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAddInUtility.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="RevitAPI">
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="RevitAPIUI">
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
diff --git a/SDK/Samples/VSProps/SDKSamples.CivilAlignments.targets b/SDK/Samples/VSProps/SDKSamples.CivilAlignments.targets
index fe5d4c39..f1a573c1 100644
--- a/SDK/Samples/VSProps/SDKSamples.CivilAlignments.targets
+++ b/SDK/Samples/VSProps/SDKSamples.CivilAlignments.targets
@@ -32,20 +32,20 @@
   <ItemGroup>
     <Reference Include="RevitAPI">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAddInUtility">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAddInUtility.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAddInUtility.dll</HintPath>
       <Private>False</Private>
     </Reference>
 	    <Reference Include="Autodesk.CivilAlignments.DBApplication">
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\Addins\CivilAlignments\Autodesk.CivilAlignments.DBApplication.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\AddIns\CivilAlignments\Autodesk.CivilAlignments.DBApplication.dll</HintPath>
       <Private>False</Private>
     </Reference>
   </ItemGroup>
diff --git a/SDK/Samples/VSProps/SDKSamples.VB.targets b/SDK/Samples/VSProps/SDKSamples.VB.targets
index f4225cb1..931c6022 100644
--- a/SDK/Samples/VSProps/SDKSamples.VB.targets
+++ b/SDK/Samples/VSProps/SDKSamples.VB.targets
@@ -8,12 +8,12 @@
   <ItemGroup>
     <Reference Include="RevitAPI">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
   </ItemGroup>
diff --git a/SDK/Samples/VSProps/SDKSamples.targets b/SDK/Samples/VSProps/SDKSamples.targets
index 662ac676..071b28dd 100644
--- a/SDK/Samples/VSProps/SDKSamples.targets
+++ b/SDK/Samples/VSProps/SDKSamples.targets
@@ -32,16 +32,16 @@
   <ItemGroup>
     <Reference Include="RevitAPI">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAddInUtility">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>$(SolutionDir)..\..\..\..\$(ConfigurationName)$(PlatformName)\RevitAddInUtility.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAddInUtility.dll</HintPath>
       <Private>False</Private>
     </Reference>
   </ItemGroup>
diff --git a/SDK/Structural Analysis SDK/Examples/ASCE-7-10/ASCE-7-10.csproj b/SDK/Structural Analysis SDK/Examples/ASCE-7-10/ASCE-7-10.csproj
index cc943e41..48520973 100644
--- a/SDK/Structural Analysis SDK/Examples/ASCE-7-10/ASCE-7-10.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/ASCE-7-10/ASCE-7-10.csproj	
@@ -61,11 +61,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/Structural Analysis SDK/Examples/Concrete/CodeCheckingConcreteExample/CodeCheckingConcreteExample.csproj b/SDK/Structural Analysis SDK/Examples/Concrete/CodeCheckingConcreteExample/CodeCheckingConcreteExample.csproj
index 17335442..6acf2c6c 100644
--- a/SDK/Structural Analysis SDK/Examples/Concrete/CodeCheckingConcreteExample/CodeCheckingConcreteExample.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/Concrete/CodeCheckingConcreteExample/CodeCheckingConcreteExample.csproj	
@@ -91,11 +91,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/Structural Analysis SDK/Examples/ExtensibleStorageDocumentation/ExtensibleStorageDocumentation.csproj b/SDK/Structural Analysis SDK/Examples/ExtensibleStorageDocumentation/ExtensibleStorageDocumentation.csproj
index 2c8af268..88b4403c 100644
--- a/SDK/Structural Analysis SDK/Examples/ExtensibleStorageDocumentation/ExtensibleStorageDocumentation.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/ExtensibleStorageDocumentation/ExtensibleStorageDocumentation.csproj	
@@ -50,11 +50,11 @@
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/Structural Analysis SDK/Examples/ExtensibleStorageUI/ExtensibleStorageUI.csproj b/SDK/Structural Analysis SDK/Examples/ExtensibleStorageUI/ExtensibleStorageUI.csproj
index e41bbf57..387d8cf9 100644
--- a/SDK/Structural Analysis SDK/Examples/ExtensibleStorageUI/ExtensibleStorageUI.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/ExtensibleStorageUI/ExtensibleStorageUI.csproj	
@@ -55,11 +55,11 @@
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/Structural Analysis SDK/Examples/ResultsInRevit/QueryingResults/QueryingResults.csproj b/SDK/Structural Analysis SDK/Examples/ResultsInRevit/QueryingResults/QueryingResults.csproj
index fbee5d56..f7bfae22 100644
--- a/SDK/Structural Analysis SDK/Examples/ResultsInRevit/QueryingResults/QueryingResults.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/ResultsInRevit/QueryingResults/QueryingResults.csproj	
@@ -39,11 +39,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/Structural Analysis SDK/Examples/ResultsInRevit/StoringResults/StoringResults.csproj b/SDK/Structural Analysis SDK/Examples/ResultsInRevit/StoringResults/StoringResults.csproj
index 878a47f1..766038e2 100644
--- a/SDK/Structural Analysis SDK/Examples/ResultsInRevit/StoringResults/StoringResults.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/ResultsInRevit/StoringResults/StoringResults.csproj	
@@ -39,11 +39,11 @@
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />
diff --git a/SDK/Structural Analysis SDK/Examples/SectionPropertiesExplorer/SectionPropertiesExplorer.csproj b/SDK/Structural Analysis SDK/Examples/SectionPropertiesExplorer/SectionPropertiesExplorer.csproj
index 923e8f2f..fbd44533 100644
--- a/SDK/Structural Analysis SDK/Examples/SectionPropertiesExplorer/SectionPropertiesExplorer.csproj	
+++ b/SDK/Structural Analysis SDK/Examples/SectionPropertiesExplorer/SectionPropertiesExplorer.csproj	
@@ -41,11 +41,11 @@
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="RevitAPI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="RevitAPIUI">
-      <HintPath>..\..\..\..\..\References\Revit\RevitAPIUI.dll</HintPath>
+      <HintPath>C:\Program Files\Autodesk\Revit 2021\RevitAPIUI.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />