diff --git a/src/libraries/DotnetCLIVersion.txt b/src/libraries/DotnetCLIVersion.txt
index 5e908d682fa..3f35616954b 100644
--- a/src/libraries/DotnetCLIVersion.txt
+++ b/src/libraries/DotnetCLIVersion.txt
@@ -1 +1 @@
-2.1.301
+3.0.100-preview1-009019
diff --git a/src/libraries/Native/build-native.cmd b/src/libraries/Native/build-native.cmd
index 641b710951a..5c7d05e9c9f 100644
--- a/src/libraries/Native/build-native.cmd
+++ b/src/libraries/Native/build-native.cmd
@@ -151,7 +151,7 @@ if "%__BuildArch%" == "arm64" (
     set __msbuildArgs=/p:Platform=%__BuildArch% /p:PlatformToolset="%__PlatformToolset%"
 )
 
-call %__rootDir%/run.cmd build-managed -project="%__IntermediatesDir%\install.vcxproj" -- /t:rebuild /p:Configuration=%CMAKE_BUILD_TYPE% %__msbuildArgs%
+call msbuild "%__IntermediatesDir%\install.vcxproj" /t:rebuild /p:Configuration=%CMAKE_BUILD_TYPE% %__msbuildArgs%
 IF ERRORLEVEL 1 (
     goto :Failure
 )
@@ -174,7 +174,7 @@ popd
 
 if not exist "%__IntermediatesDir%\install.vcxproj" goto :Failure
 
-call %__rootDir%/run.cmd build-managed -project="%__IntermediatesDir%\install.vcxproj" -- /t:rebuild /p:Configuration=%CMAKE_BUILD_TYPE% %__msbuildArgs%
+call msbuild "%__IntermediatesDir%\install.vcxproj" /t:rebuild /p:Configuration=%CMAKE_BUILD_TYPE% %__msbuildArgs%
 IF ERRORLEVEL 1 (
     goto :Failure
 )
diff --git a/src/libraries/System.Resources.ResourceManager/tests/System.Resources.ResourceManager.Tests.csproj b/src/libraries/System.Resources.ResourceManager/tests/System.Resources.ResourceManager.Tests.csproj
index 6b843db89e5..174b3ad14de 100644
--- a/src/libraries/System.Resources.ResourceManager/tests/System.Resources.ResourceManager.Tests.csproj
+++ b/src/libraries/System.Resources.ResourceManager/tests/System.Resources.ResourceManager.Tests.csproj
@@ -19,21 +19,41 @@
     <Compile Include="SatelliteContractVersionAttributeTests.cs" />
     <Compile Include="MissingSatelliteAssemblyException.cs" />
     <Compile Include="ResourceSetTests.cs" />
-    <EmbeddedResource Include="Resources\TestResx.netstandard17.resx">
+    <_WorkaroundCoreMSBuildResource Include="Resources\TestResx.netstandard17.resx">
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>TestResx.netstandard17.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
+    </_WorkaroundCoreMSBuildResource>
     <Compile Include="Resources\TestResx.netstandard17.Designer.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>
       <DependentUpon>TestResx.netstandard17.resx</DependentUpon>
     </Compile>
-  </ItemGroup>
-  <ItemGroup>
     <EmbeddedResource Include="Resources\TestResx.resx">
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>TestResx.Designer.cs</LastGenOutput>
     </EmbeddedResource>
   </ItemGroup>
+  <!--
+  MSBuild on .NET Core doesn't support non-string resources.
+  See https://github.com/Microsoft/msbuild/issues/1352 and https://github.com/Microsoft/msbuild/issues/2221
+  Workaround this for now by invoking the desktop resgen.exe on Windows.
+  -->
+  <Target Name="WorkaroundCoreMSBuildResources"
+          BeforeTargets="PrepareResources"
+          Condition="'$(OS)' == 'Windows_NT'">
+    <PropertyGroup>
+      <_ResourceRelativeDir>%(_WorkaroundCoreMSBuildResource.RelativeDir)</_ResourceRelativeDir>
+      <_ResourceRelativeDir>$(_ResourceRelativeDir.TrimEnd('\'))</_ResourceRelativeDir>
+      <_ResourceOutputName>$(IntermediateOutputPath)$(RootNamespace).$(_ResourceRelativeDir).%(_WorkaroundCoreMSBuildResource.FileName).resources</_ResourceOutputName>
+    </PropertyGroup>
+
+    <Exec Command="resgen.exe %(_WorkaroundCoreMSBuildResource.Identity) $(_ResourceOutputName)" />
+
+    <ItemGroup>
+      <EmbeddedResource Include="$(_ResourceOutputName)"
+                        WithCulture="false"
+                        Type="Non-Resx" />
+    </ItemGroup>
+  </Target>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>
diff --git a/src/libraries/config.json b/src/libraries/config.json
index 44fe6989e27..9a015091e17 100644
--- a/src/libraries/config.json
+++ b/src/libraries/config.json
@@ -646,12 +646,12 @@
     "msbuild": {
       "osSpecific": {
         "windows": {
-          "defaultParameters": "/nologo /verbosity:minimal /clp:Summary /maxcpucount /nodeReuse:false /l:BinClashLogger,Tools\\net46\\Microsoft.DotNet.Build.Tasks.dll;LogFile=binclash.log",
-          "path": "Tools/msbuild.cmd"
+          "defaultParameters": "msbuild /nologo /verbosity:minimal /clp:Summary /maxcpucount /nodeReuse:false /l:BinClashLogger,Tools\\Microsoft.DotNet.Build.Tasks.dll;LogFile=binclash.log",
+          "path": "Tools/dotnetcli/dotnet"
         },
         "unix": {
-          "defaultParameters": "/nologo /verbosity:minimal /clp:Summary /maxcpucount /l:BinClashLogger,Tools/Microsoft.DotNet.Build.Tasks.dll;LogFile=binclash.log",
-          "path": "Tools/msbuild.sh"
+          "defaultParameters": "msbuild /nologo /verbosity:minimal /clp:Summary /maxcpucount /l:BinClashLogger,Tools/Microsoft.DotNet.Build.Tasks.dll;LogFile=binclash.log",
+          "path": "Tools/dotnetcli/dotnet"
         }
       },
       "valueTypes": {