diff --git a/TrEE/Miniport/SampleMiniport.c b/TrEE/Miniport/SampleMiniport.c
index 55bfa60a6..eae22c7c6 100644
--- a/TrEE/Miniport/SampleMiniport.c
+++ b/TrEE/Miniport/SampleMiniport.c
@@ -22,11 +22,17 @@ Module Name:
 #include <wdmguid.h>
 #include <ntstrsafe.h>
 #include <TrustedRuntimeClx.h>
-#include <ntefi.h>
+
+//
+// Header file <TrEEVariableService.h> requires prior definition of a CHAR16.
+// For now we need to define this in sample.
+//
+typedef UINT16 CHAR16;
+
 #include <TrEEVariableService.h>
 #include "sampleminiport.h"
-#include <SampleSecureService.h>
-#include <SampleOSService.h>
+#include "..\inc\SampleSecureService.h"
+#include "..\inc\SampleOSService.h"
 
 #define SDDL_SAMPLE_TEST2_SERVICE L"D:P(A;;FRFW;;;WD)(A;;FRFW;;;RC)(A;;FRFW;;;AC)"
 
diff --git a/TrEE/Miniport/TestService.c b/TrEE/Miniport/TestService.c
index ef465297c..77cdfc99b 100644
--- a/TrEE/Miniport/TestService.c
+++ b/TrEE/Miniport/TestService.c
@@ -4,8 +4,8 @@
 #include <wdmguid.h>
 #include <TrustedRuntimeClx.h>
 #include "SampleMiniport.h"
-#include <SampleSecureService.h>
-#include <SampleOSService.h>
+#include "..\inc\SampleSecureService.h"
+#include "..\inc\SampleOSService.h"
 
 EVT_TR_CREATE_SECURE_SERVICE_CONTEXT TestServiceCreateSecureServiceContext;
 EVT_TR_DESTROY_SECURE_SERVICE_CONTEXT TestServiceDestroySecureServiceContext;
@@ -956,7 +956,7 @@ Test2ServiceTwiceReversed(
         goto TestServiceTwiceReversedEnd;
     }
 
-    TemporaryBuffer = ExAllocatePoolWithTag(PagedPool,
+    TemporaryBuffer = ExAllocatePool2(PagedPool,
                                             (SIZE_T)Request->InputBufferSize,
                                             'PMET');
 
diff --git a/TrEE/Miniport/TrEEMiniportSample.vcxproj b/TrEE/Miniport/TrEEMiniportSample.vcxproj
index 7a2265b67..5bf025b50 100644
--- a/TrEE/Miniport/TrEEMiniportSample.vcxproj
+++ b/TrEE/Miniport/TrEEMiniportSample.vcxproj
@@ -1,6 +1,14 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM64">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM64">
+      <Configuration>Release</Configuration>
+      <Platform>ARM64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
       <Platform>Win32</Platform>
@@ -59,6 +67,14 @@
     <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
     <ConfigurationType>Driver</ConfigurationType>
   </PropertyGroup>
+  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <TargetVersion>Windows10</TargetVersion>
+    <UseDebugLibraries>False</UseDebugLibraries>
+    <DriverTargetPlatform>Universal</DriverTargetPlatform>
+    <DriverType>KMDF</DriverType>
+    <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
+    <ConfigurationType>Driver</ConfigurationType>
+  </PropertyGroup>
   <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <TargetVersion>Windows10</TargetVersion>
     <UseDebugLibraries>True</UseDebugLibraries>
@@ -67,6 +83,14 @@
     <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
     <ConfigurationType>Driver</ConfigurationType>
   </PropertyGroup>
+  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <TargetVersion>Windows10</TargetVersion>
+    <UseDebugLibraries>True</UseDebugLibraries>
+    <DriverTargetPlatform>Universal</DriverTargetPlatform>
+    <DriverType>KMDF</DriverType>
+    <PlatformToolset>WindowsKernelModeDriver10.0</PlatformToolset>
+    <ConfigurationType>Driver</ConfigurationType>
+  </PropertyGroup>
   <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <TargetVersion>Windows10</TargetVersion>
     <UseDebugLibraries>False</UseDebugLibraries>
@@ -96,9 +120,15 @@
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" />
   </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" />
+  </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" />
   </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" />
+  </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" />
   </ImportGroup>
@@ -115,9 +145,15 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <TargetName>TrEEMiniportSample</TargetName>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <TargetName>TrEEMiniportSample</TargetName>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <TargetName>TrEEMiniportSample</TargetName>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <TargetName>TrEEMiniportSample</TargetName>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <TargetName>TrEEMiniportSample</TargetName>
   </PropertyGroup>
@@ -175,6 +211,25 @@
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
     </DriverSign>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+    <ResourceCompile>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <ClCompile>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
+      <ExceptionHandling>
+      </ExceptionHandling>
+    </ClCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
+    </Midl>
+    <Link>
+      <AdditionalDependencies>%(AdditionalDependencies);$(DDK_LIB_PATH)\treeclxstub.lib</AdditionalDependencies>
+    </Link>
+    <DriverSign>
+      <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
+    </DriverSign>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ResourceCompile>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
@@ -194,6 +249,25 @@
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
     </DriverSign>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+    <ResourceCompile>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+    <ClCompile>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
+      <ExceptionHandling>
+      </ExceptionHandling>
+    </ClCompile>
+    <Midl>
+      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
+    </Midl>
+    <Link>
+      <AdditionalDependencies>%(AdditionalDependencies);$(DDK_LIB_PATH)\treeclxstub.lib</AdditionalDependencies>
+    </Link>
+    <DriverSign>
+      <FileDigestAlgorithm>sha256</FileDigestAlgorithm>
+    </DriverSign>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ResourceCompile>
       <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories);$(DDK_INC_PATH)</AdditionalIncludeDirectories>
@@ -250,4 +324,4 @@
     <ClInclude Exclude="@(ClInclude)" Include="*.h;*.hpp;*.hxx;*.hm;*.inl;*.xsd" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/TrEE/TrEESample.sln b/TrEE/TrEESample.sln
index bed07a5c4..be19abc12 100644
--- a/TrEE/TrEESample.sln
+++ b/TrEE/TrEESample.sln
@@ -1,4 +1,4 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
 VisualStudioVersion = 14.0.25420.1
@@ -11,6 +11,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TrEEMiniportSample", "Minip
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM64 = Debug|ARM64
+		Release|ARM64 = Release|ARM64
 		Debug|Arm = Debug|Arm
 		Debug|Win32 = Debug|Win32
 		Debug|x64 = Debug|x64
@@ -19,6 +21,14 @@ Global
 		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{420587AA-51DE-4966-B692-C428836BF8B2}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{420587AA-51DE-4966-B692-C428836BF8B2}.Debug|ARM64.Build.0 = Debug|ARM64
+		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Debug|ARM64.Build.0 = Debug|ARM64
+		{420587AA-51DE-4966-B692-C428836BF8B2}.Release|ARM64.ActiveCfg = Release|ARM64
+		{420587AA-51DE-4966-B692-C428836BF8B2}.Release|ARM64.Build.0 = Release|ARM64
+		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Release|ARM64.ActiveCfg = Release|ARM64
+		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Release|ARM64.Build.0 = Release|ARM64
 		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Debug|Arm.ActiveCfg = Debug|Arm
 		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Debug|Arm.Build.0 = Debug|Arm
 		{C1B22B3C-BE1A-40CE-82D0-8AE1628C297C}.Debug|Win32.ActiveCfg = Debug|Win32
diff --git a/exclusions.csv b/exclusions.csv
index e571e8e0d..6694a8533 100644
--- a/exclusions.csv
+++ b/exclusions.csv
@@ -3,4 +3,3 @@ audio\acx\samples\audiocodec\driver,*,,22621,Only NI: error C1083: Cannot open i
 general\dchu\osrfx2_dchu_extension_loose,*|x64,,22621,Only NI: Only x64: Fails to build
 general\dchu\osrfx2_dchu_extension_tight,*|x64,,22621,Only NI: Only x64: Fails to build
 prm,*,,22621,Only NI: Not supported on NI.
-tree,*,,,Missing headers