diff --git a/build/common.props b/build/common.props
index 063dbc20ce..4d4fc25989 100644
--- a/build/common.props
+++ b/build/common.props
@@ -21,8 +21,8 @@
     <PackageReference Include="Internal.AspNetCore.Sdk" Version="$(InternalAspNetCoreSdkVersion)" PrivateAssets="All" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework' AND '$(OutputType)'=='library'">
-    <PackageReference Include="NETStandard.Library" Version="$(BundledNETStandardPackageVersion)" />
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" PrivateAssets="All" />
   </ItemGroup>
 
   <!-- defines the default values for each item type -->
diff --git a/build/dependencies.props b/build/dependencies.props
index 5e0e8ee677..302a8149fd 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -2,10 +2,10 @@
   <PropertyGroup>
     <AspNetCoreIntegrationTestingVersion>0.4.0-*</AspNetCoreIntegrationTestingVersion>
     <AspNetCoreVersion>2.0.0-*</AspNetCoreVersion>
-    <CoreFxVersion>4.3.0</CoreFxVersion>
+    <CoreFxVersion>4.4.0-*</CoreFxVersion>
     <InternalAspNetCoreSdkVersion>2.1.0-*</InternalAspNetCoreSdkVersion>
     <MoqVersion>4.7.1</MoqVersion>
-    <NETStandardImplicitPackageVersion>$(BundledNETStandardPackageVersion)</NETStandardImplicitPackageVersion>
+    <NETStandardLibraryNETFrameworkVersion>2.0.0-*</NETStandardLibraryNETFrameworkVersion>
     <NewtonsoftJsonVersion>10.0.1</NewtonsoftJsonVersion>
     <RuntimeFrameworkVersion Condition="'$(TargetFramework)'=='netcoreapp2.0'">2.0.0-*</RuntimeFrameworkVersion>
     <SQLitePCLRawVersion>1.1.5</SQLitePCLRawVersion>
diff --git a/samples/SampleApp/SampleApp.csproj b/samples/SampleApp/SampleApp.csproj
index 37ac635939..db4fc54254 100644
--- a/samples/SampleApp/SampleApp.csproj
+++ b/samples/SampleApp/SampleApp.csproj
@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
     <UserSecretsId>aspnetcore-MetaPackagesSampleApp-20170406180413</UserSecretsId>
   </PropertyGroup>
 
@@ -16,4 +16,7 @@
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore\Microsoft.AspNetCore.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
 </Project>
diff --git a/src/Microsoft.AspNetCore/CertificateLoader.cs b/src/Microsoft.AspNetCore/CertificateLoader.cs
index aa616184c4..b43bdb8fcc 100644
--- a/src/Microsoft.AspNetCore/CertificateLoader.cs
+++ b/src/Microsoft.AspNetCore/CertificateLoader.cs
@@ -179,7 +179,13 @@ namespace Microsoft.AspNetCore
             {
                 var certificate = TryLoad(X509KeyStorageFlags.DefaultKeySet, out var error)
                     ?? TryLoad(X509KeyStorageFlags.UserKeySet, out error)
-                    ?? TryLoad(X509KeyStorageFlags.EphemeralKeySet, out error);
+#if NETCOREAPP2_0
+                    ?? TryLoad(X509KeyStorageFlags.EphemeralKeySet, out error)
+#elif NET461
+#else
+#error target frameworks need to be updated
+#endif
+                    ;
 
                 if (error != null)
                 {
diff --git a/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj b/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj
index f8d430676e..153156b71e 100644
--- a/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj
+++ b/src/Microsoft.AspNetCore/Microsoft.AspNetCore.csproj
@@ -3,7 +3,7 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
     <PackageTags>aspnetcore</PackageTags>
     <Description>Microsoft.AspNetCore</Description>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/src/Microsoft.DotNet.Archive/Microsoft.DotNet.Archive.csproj b/src/Microsoft.DotNet.Archive/Microsoft.DotNet.Archive.csproj
index f14971a5ef..3bd7d6263e 100644
--- a/src/Microsoft.DotNet.Archive/Microsoft.DotNet.Archive.csproj
+++ b/src/Microsoft.DotNet.Archive/Microsoft.DotNet.Archive.csproj
@@ -7,8 +7,4 @@
     <EnableApiCheck>false</EnableApiCheck>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="System.Linq.Parallel" Version="$(CoreFxVersion)" />
-  </ItemGroup>
-
 </Project>
diff --git a/test/Microsoft.AspNetCore.FunctionalTests/Microsoft.AspNetCore.FunctionalTests.csproj b/test/Microsoft.AspNetCore.FunctionalTests/Microsoft.AspNetCore.FunctionalTests.csproj
index 1a45e63b7d..c8e3826622 100644
--- a/test/Microsoft.AspNetCore.FunctionalTests/Microsoft.AspNetCore.FunctionalTests.csproj
+++ b/test/Microsoft.AspNetCore.FunctionalTests/Microsoft.AspNetCore.FunctionalTests.csproj
@@ -3,7 +3,15 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
+
+    <!--
+      Workaround for "Use executable flags in Microsoft.NET.Test.Sdk" (https://github.com/Microsoft/vstest/issues/792).
+      Remove when fixed.
+    -->
+    <HasRuntimeOutput>true</HasRuntimeOutput>
+    <RuntimeIdentifier Condition="'$(TargetFramework)' != 'netcoreapp2.0'">win7-x64</RuntimeIdentifier>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Microsoft.AspNetCore.Tests/Microsoft.AspNetCore.Tests.csproj b/test/Microsoft.AspNetCore.Tests/Microsoft.AspNetCore.Tests.csproj
index 5e36052b25..5a3a180fbc 100644
--- a/test/Microsoft.AspNetCore.Tests/Microsoft.AspNetCore.Tests.csproj
+++ b/test/Microsoft.AspNetCore.Tests/Microsoft.AspNetCore.Tests.csproj
@@ -3,11 +3,12 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.All\Microsoft.AspNetCore.All.csproj" />
+    <ProjectReference Include="..\..\src\Microsoft.AspNetCore\Microsoft.AspNetCore.csproj" />
   </ItemGroup>
 
   <ItemGroup>