diff --git a/datapath-windows/ovsext/ovsext.vcxproj b/datapath-windows/ovsext/ovsext.vcxproj
index d50a126b43f..18f884f41b9 100644
--- a/datapath-windows/ovsext/ovsext.vcxproj
+++ b/datapath-windows/ovsext/ovsext.vcxproj
@@ -192,22 +192,39 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win10 Release|x64'">
     <Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win10 Debug|x64'">
     <Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win10Analyze|x64'">
     <Inf2CatUseLocalTime>true</Inf2CatUseLocalTime>
     <CodeAnalysisRuleSet>..\misc\DriverRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <RunCodeAnalysis>true</RunCodeAnalysis>
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win8.1Analyze|x64'">
     <RunCodeAnalysis>true</RunCodeAnalysis>
     <CodeAnalysisRuleSet>..\misc\DriverRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win8Analyze|x64'">
     <RunCodeAnalysis>true</RunCodeAnalysis>
     <CodeAnalysisRuleSet>..\misc\DriverRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win8 Debug|x64'">
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win8 Release|x64'">
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win8.1 Debug|x64'">
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Win8.1 Release|x64'">
+    <ExternalIncludePath>$(CRT_IncludePath);$(KM_IncludePath);</ExternalIncludePath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Win8 Release|x64'">
     <ClCompile>