diff --git a/src/package/sign/sign.proj b/src/package/sign/sign.proj
index a6f13ab18b..b91c8a7b55 100644
--- a/src/package/sign/sign.proj
+++ b/src/package/sign/sign.proj
@@ -21,8 +21,11 @@
     <!-- Directory with .NET binaries -->
     <ArtifactsDirectory Condition="'$(ArtifactsDirectory)' == ''">$(ArtifactsBaseDirectory)$(TargetFramework)\$(TargetRuntime)\</ArtifactsDirectory>
 
-    <!-- Directory with .NETCore binaries -->
-    <ArtifactsCoreDirectory Condition="'$(ArtifactsCoreDirectory)' == ''">$(ArtifactsBaseDirectory)netcoreapp2.1\</ArtifactsCoreDirectory>
+    <!-- Directory with netcoreapp2.1 binaries -->
+    <ArtifactsCore21Directory Condition="'$(ArtifactsCore21Directory)' == ''">$(ArtifactsBaseDirectory)netcoreapp2.1\</ArtifactsCore21Directory>
+    
+    <!-- Directory with netcoreapp1.0 binaries -->
+    <ArtifactsCore10Directory Condition="'$(ArtifactsCore10Directory)' == ''">$(ArtifactsBaseDirectory)netcoreapp1.0\</ArtifactsCore10Directory>
     
     <!-- Directory with NetStandard1.0 binaries -->
     <ArtifactsNS10Directory Condition="'$(ArtifactsNS10Directory)' == ''">$(ArtifactsBaseDirectory)netstandard1.0\</ArtifactsNS10Directory>
@@ -128,7 +131,6 @@
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.QualityTools.DataCollectionAgentObject.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.QualityTools.HostAdapters.ASPNETAdapter.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.QualityTools.HostAdapters.ASPNETAgent.dll" />
-      <AssembliesToSign Include="$(ArtifactsDirectory)VsWebSite.Interop.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)QTAgent.exe" />
       <AssembliesToSign Include="$(ArtifactsDirectory)QTAgent32.exe" />
       <AssembliesToSign Include="$(ArtifactsDirectory)QTAgent32_35.exe" />
@@ -149,7 +151,6 @@
       <!--These dlls are already signed from VS nuget feed
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.Diagnostics.Measurement.dll" />
       <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.QualityTools.Sqm.dll" />
-      <AssembliesToSign Include="$(ArtifactsDirectory)Microsoft.VisualStudio.OLE.Interop.dll" />
       -->
       
       <!-- These are already signed, trying to sign them again causes warnings in the build pipeline.
@@ -302,46 +303,51 @@
       <!-- <IntellitraceAssembliesToSign Include="$(ArtifactsBaseDirectory)Intellitrace\Team Tools\Dynamic Code Coverage Tools\amd64\msdia140.dll" /> -->
       <!-- <IntellitraceAssembliesToSign Include="$(ArtifactsBaseDirectory)Intellitrace\Team Tools\Dynamic Code Coverage Tools\CodeCoverage.exe" /> -->
       <!-- <IntellitraceAssembliesToSign Include="$(ArtifactsBaseDirectory)Intellitrace\Team Tools\Dynamic Code Coverage Tools\amd64\CodeCoverage.exe" /> -->
+
     <!-- Sign test platform v2 assemblies for .NET Core -->
     <ItemGroup>
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)DataCollector.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.TestPlatform.CommunicationUtilities.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.TestPlatform.CoreUtilities.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.TestPlatform.PlatformAbstractions.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.TestPlatform.CrossPlatEngine.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.TestPlatform.Utilities.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.TestPlatform.VsTestConsole.TranslationLayer.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.VisualStudio.TestPlatform.Client.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.VisualStudio.TestPlatform.Common.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)vstest.console.dll" />
-
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.TestPlatform.CommunicationUtilities.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.TestPlatform.CoreUtilities.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.TestPlatform.CrossPlatEngine.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.TestPlatform.PlatformAbstractions.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.TestPlatform.Utilities.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.VisualStudio.TestPlatform.Common.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net452.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net452.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net46.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net46.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net461.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net461.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net462.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net462.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net47.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net47.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net471.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net471.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net472.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net472.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net48.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\testhost.net48.x86.exe" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\datacollector.exe" />
+      <Core10AssembliesToSign Include="$(ArtifactsCore10Directory)Microsoft.TestPlatform.CoreUtilities.dll" />
+      <Core10AssembliesToSign Include="$(ArtifactsCore10Directory)Microsoft.TestPlatform.PlatformAbstractions.dll" />
+      <Core10AssembliesToSign Include="$(ArtifactsCore10Directory)Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" />
+    
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)DataCollector.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.TestPlatform.CommunicationUtilities.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.TestPlatform.CoreUtilities.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.TestPlatform.PlatformAbstractions.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.TestPlatform.CrossPlatEngine.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.TestPlatform.Utilities.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.TestPlatform.VsTestConsole.TranslationLayer.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.VisualStudio.TestPlatform.Client.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.VisualStudio.TestPlatform.Common.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)vstest.console.dll" />
+
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.TestPlatform.CommunicationUtilities.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.TestPlatform.CoreUtilities.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.TestPlatform.CrossPlatEngine.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.TestPlatform.PlatformAbstractions.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.TestPlatform.Utilities.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.VisualStudio.TestPlatform.Common.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Microsoft.VisualStudio.TestPlatform.ObjectModel.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net452.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net452.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net46.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net46.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net461.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net461.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net462.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net462.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net47.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net47.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net471.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net471.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net472.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net472.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net48.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\testhost.net48.x86.exe" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\datacollector.exe" />
 
       <NetStandard10AssembliesToSign Include="$(ArtifactsNS10Directory)Microsoft.TestPlatform.CoreUtilities.dll" />
       <NetStandard10AssembliesToSign Include="$(ArtifactsNS10Directory)Microsoft.TestPlatform.PlatformAbstractions.dll" />
@@ -360,24 +366,25 @@
       <UAP100AssembliesToSign Include="$(ArtifactsUAP100Directory)Microsoft.TestPlatform.AdapterUtilities.dll" />
 
       <!-- NetCoreExtensions -->
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Extensions\Microsoft.VisualStudio.TestPlatform.Extensions.Trx.TestLogger.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Extensions\Microsoft.VisualStudio.TestPlatform.Extensions.Html.TestLogger.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Extensions\Microsoft.TestPlatform.TestHostRuntimeProvider.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Extensions\Microsoft.TestPlatform.Extensions.BlameDataCollector.dll" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Extensions\Microsoft.TestPlatform.Extensions.EventLogCollector.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Extensions\Microsoft.VisualStudio.TestPlatform.Extensions.Trx.TestLogger.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Extensions\Microsoft.VisualStudio.TestPlatform.Extensions.Html.TestLogger.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Extensions\Microsoft.TestPlatform.TestHostRuntimeProvider.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Extensions\Microsoft.TestPlatform.Extensions.BlameDataCollector.dll" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Extensions\Microsoft.TestPlatform.Extensions.EventLogCollector.dll" />
 
       <!-- Localized resources -->
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)%(ResxLang.Identity)\*.*" />
+      <Core10AssembliesToSign Include="$(ArtifactsCore10Directory)%(ResxLang.Identity)\*.*" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)%(ResxLang.Identity)\*.*" />
       <NetStandard10AssembliesToSign Include="$(ArtifactsNS10Directory)%(ResxLang.Identity)\*.*" />
       <NetStandard13AssembliesToSign Include="$(ArtifactsNS13Directory)%(ResxLang.Identity)\*.*" />
       <NetStandard20AssembliesToSign Include="$(ArtifactsNS20Directory)%(ResxLang.Identity)\*.*" />
       <UAP100AssembliesToSign Include="$(ArtifactsUAP100Directory)%(ResxLang.Identity)\*.*" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)Extensions\%(ResxLang.Identity)\*.*" />
-      <CoreAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\%(ResxLang.Identity)\*.*" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)Extensions\%(ResxLang.Identity)\*.*" />
+      <Core21AssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\%(ResxLang.Identity)\*.*" />
 
       <!-- Third Party assemblies to sign -->
-      <ThirdPartyAssembliesToSign Include="$(ArtifactsCoreDirectory)Newtonsoft.Json.dll" />
-      <ThirdPartyAssembliesToSign Include="$(ArtifactsCoreDirectory)TestHost\Newtonsoft.Json.dll" />
+      <ThirdPartyAssembliesToSign Include="$(ArtifactsCore21Directory)Newtonsoft.Json.dll" />
+      <ThirdPartyAssembliesToSign Include="$(ArtifactsCore21Directory)TestHost\Newtonsoft.Json.dll" />
     </ItemGroup>
 
     <!-- Sign Microsoft.TestPlatform.Build -->
@@ -497,10 +504,15 @@
         <StrongName>StrongName</StrongName>
       </Fw45AssembliesToSign>
 
-      <CoreAssembliesToSign>
+      <Core21AssembliesToSign>
         <Authenticode>Microsoft400</Authenticode>
         <StrongName>StrongName</StrongName>
-      </CoreAssembliesToSign>
+      </Core21AssembliesToSign>
+
+      <Core10AssembliesToSign>
+        <Authenticode>Microsoft400</Authenticode>
+        <StrongName>StrongName</StrongName>
+      </Core10AssembliesToSign>
 
       <BuildAssembliesToSign>
         <Authenticode>Microsoft400</Authenticode>
@@ -571,9 +583,15 @@
                IntermediatesDirectory="$(IntermediatesDirectory)"
                Type="$(SignType)" />
 
-    <Message Text="Signing using authenticode certificate CoreAssembliesToSign:'%(CoreAssembliesToSign.Authenticode)' for @(CoreAssembliesToSign)"/>
-    <SignFiles Files="@(CoreAssembliesToSign)"
-               BinariesDirectory="$(ArtifactsCoreDirectory)"
+    <Message Text="Signing using authenticode certificate Core21AssembliesToSign:'%(Core21AssembliesToSign.Authenticode)' for @(Core21AssembliesToSign)"/>
+    <SignFiles Files="@(Core21AssembliesToSign)"
+               BinariesDirectory="$(ArtifactsCore21Directory)"
+               IntermediatesDirectory="$(IntermediatesDirectory)"
+               Type="$(SignType)" />
+
+    <Message Text="Signing using authenticode certificate Core10AssembliesToSign:'%(Core10AssembliesToSign.Authenticode)' for @(Core10AssembliesToSign)"/>
+    <SignFiles Files="@(Core10AssembliesToSign)"
+               BinariesDirectory="$(ArtifactsCore10Directory)"
                IntermediatesDirectory="$(IntermediatesDirectory)"
                Type="$(SignType)" />