diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/Microsoft.AspNetCore.Server.IISIntegration.csproj b/src/Microsoft.AspNetCore.Server.IISIntegration/Microsoft.AspNetCore.Server.IISIntegration.csproj
index 74cbf88796..4d925a782d 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration/Microsoft.AspNetCore.Server.IISIntegration.csproj
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/Microsoft.AspNetCore.Server.IISIntegration.csproj
@@ -1,28 +1,28 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <Import Project="..\..\build\common.props" />
-
-  <PropertyGroup>
-    <Description>ASP.NET Core components for working with the IIS AspNetCoreModule.</Description>
-    <TargetFrameworks>net451;netstandard1.3</TargetFrameworks>
-    <NoWarn>$(NoWarn);CS1591</NoWarn>
-    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <PackageTags>aspnetcore;iis</PackageTags>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.AspNetCore.Http" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.AspNetCore.HttpOverrides" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.Extensions.Options" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.Extensions.SecurityHelper.Sources" Version="1.2.0-*" PrivateAssets="All"/>
-    <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All"/>
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
-    <PackageReference Include="System.Security.Principal.Windows" Version="4.4.0-*" />
-  </ItemGroup>
-
-</Project>
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\..\build\common.props" />
+
+  <PropertyGroup>
+    <Description>ASP.NET Core components for working with the IIS AspNetCoreModule.</Description>
+    <TargetFrameworks>net451;netstandard1.3</TargetFrameworks>
+    <NoWarn>$(NoWarn);CS1591</NoWarn>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <PackageTags>aspnetcore;iis</PackageTags>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.AspNetCore.Http" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.AspNetCore.HttpOverrides" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.Extensions.SecurityHelper.Sources" Version="1.2.0-*" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="1.2.0-*" PrivateAssets="All"/>
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
+    <PackageReference Include="System.Security.Principal.Windows" Version="4.4.0-*" />
+  </ItemGroup>
+
+</Project>
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests.csproj b/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests.csproj
index cb37b5c81d..9e25f5898a 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests.csproj
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests/Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests.csproj
@@ -3,7 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>net451</TargetFramework>
+    <TargetFramework>net452</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,16 +11,16 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Server.IntegrationTesting" Version="0.3.0-*" />
+    <PackageReference Include="Microsoft.AspNetCore.Server.IntegrationTesting" Version="0.3.0-*" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.2.0-*" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-*" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-*" />
     <PackageReference Include="xunit" Version="2.2.0-*" />
-  </ItemGroup>
-
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
     <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
 
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/Microsoft.AspNetCore.Server.IISIntegration.Tests.csproj b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/Microsoft.AspNetCore.Server.IISIntegration.Tests.csproj
index d1bb39954e..5edc9d12c2 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/Microsoft.AspNetCore.Server.IISIntegration.Tests.csproj
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/Microsoft.AspNetCore.Server.IISIntegration.Tests.csproj
@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net452</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp1.1</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/TestSites/TestSites.csproj b/test/TestSites/TestSites.csproj
index a8b9d56d4d..670789b406 100644
--- a/test/TestSites/TestSites.csproj
+++ b/test/TestSites/TestSites.csproj
@@ -1,24 +1,25 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <Import Project="..\..\build\common.props" />
-
-  <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
-    <RuntimeIdentifiers>win7-x64;win7-x86;osx.10.10-x64;osx.10.11-x64;osx.10.12-x64;ubuntu.14.04-x64;ubuntu.15.04-x64</RuntimeIdentifiers>
-    <!-- TODO remove when https://github.com/dotnet/sdk/issues/396 is resolved -->
-    <RuntimeIdentifier Condition=" '$(TargetFramework)' != 'netcoreapp1.1' ">win7-x64</RuntimeIdentifier>
-    <OutputType>Exe</OutputType>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Server.IISIntegration\Microsoft.AspNetCore.Server.IISIntegration.csproj" />
-    <PackageReference Include="Microsoft.AspNetCore.AspNetCoreModule" Version="1.0.0-*" />
-    <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="1.2.0-*" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="1.2.0-*" />
-    <PackageReference Include="xunit" Version="2.2.0-*" />
-  </ItemGroup>
-
-</Project>
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <Import Project="..\..\build\common.props" />
+
+  <PropertyGroup>
+    <TargetFrameworks>netcoreapp1.1;net452</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp1.1</TargetFrameworks>
+    <RuntimeIdentifiers>win7-x64;win7-x86;osx.10.10-x64;osx.10.11-x64;osx.10.12-x64;ubuntu.14.04-x64;ubuntu.15.04-x64</RuntimeIdentifiers>
+    <!-- TODO remove when https://github.com/dotnet/sdk/issues/396 is resolved -->
+    <RuntimeIdentifier Condition=" '$(TargetFramework)' != 'netcoreapp1.1' ">win7-x64</RuntimeIdentifier>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Server.IISIntegration\Microsoft.AspNetCore.Server.IISIntegration.csproj" />
+    <PackageReference Include="Microsoft.AspNetCore.AspNetCoreModule" Version="1.0.0-*" />
+    <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="1.2.0-*" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="1.2.0-*" />
+    <PackageReference Include="xunit" Version="2.2.0-*" />
+  </ItemGroup>
+
+</Project>