diff --git a/examples/csharp/helloworld/.nuget/packages.config b/examples/csharp/helloworld/.nuget/packages.config
index 1c1f118d4660f1d54426cf6e60341237fe621fdc..1cbe7e1d65ffdc21cef806cb81315acd267de100 100644
--- a/examples/csharp/helloworld/.nuget/packages.config
+++ b/examples/csharp/helloworld/.nuget/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Grpc.Tools" version="0.7.1" />
+  <package id="Grpc.Tools" version="0.12.0" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/Greeter/Greeter.csproj b/examples/csharp/helloworld/Greeter/Greeter.csproj
index 2ae8620267f8ab72e6110e91d3489bd28d5be313..fa1c20f5ff4cddc2339e5a708dd1b16b15f8c0a8 100644
--- a/examples/csharp/helloworld/Greeter/Greeter.csproj
+++ b/examples/csharp/helloworld/Greeter/Greeter.csproj
@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" />
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -13,7 +10,7 @@
     <RootNamespace>Greeter</RootNamespace>
     <AssemblyName>Greeter</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>e423e365</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>4eea1d1c</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -37,9 +34,8 @@
     <Reference Include="Google.Protobuf">
       <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.7.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.7.1\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core">
+      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Interactive.Async">
@@ -57,18 +53,15 @@
     <None Include="protos\helloworld.proto" />
   </ItemGroup>
   <ItemGroup />
+  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" />
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" />
+  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/Greeter/packages.config b/examples/csharp/helloworld/Greeter/packages.config
index c0f73879160e59dfa4f6d5039908615a71e9d883..cabcadc78f2a7119945c60e53a1ea4feb0573999 100644
--- a/examples/csharp/helloworld/Greeter/packages.config
+++ b/examples/csharp/helloworld/Greeter/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.7.1" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.7.1" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.2.3" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.9" targetFramework="net45" />
-  <package id="grpc.native.csharp_ext" version="0.11.1" targetFramework="net45" />
+  <package id="Grpc" version="0.12.0" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
+  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
+  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj b/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
index af330f2b90527b5f007692cedee91dae1242ce3d..164a6165eff1b941fc6fee959b6c8b134e65a7e1 100644
--- a/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
+++ b/examples/csharp/helloworld/GreeterClient/GreeterClient.csproj
@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" />
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -13,7 +10,7 @@
     <RootNamespace>GreeterClient</RootNamespace>
     <AssemblyName>GreeterClient</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>2dcf22af</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>29206d49</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -37,9 +34,8 @@
     <Reference Include="Google.Protobuf">
       <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.7.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.7.1\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core">
+      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Interactive.Async">
@@ -60,18 +56,15 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" />
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" />
+  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterClient/Program.cs b/examples/csharp/helloworld/GreeterClient/Program.cs
index 2749a92036cca2288cec75fa832130910f348a76..4393f2f3c2916a03a0702cb331e0d7463196d441 100644
--- a/examples/csharp/helloworld/GreeterClient/Program.cs
+++ b/examples/csharp/helloworld/GreeterClient/Program.cs
@@ -37,7 +37,7 @@ namespace GreeterClient
     {
         public static void Main(string[] args)
         {
-            Channel channel = new Channel("127.0.0.1:50051", Credentials.Insecure);
+            Channel channel = new Channel("127.0.0.1:50051", ChannelCredentials.Insecure);
 
             var client = Greeter.NewClient(channel);
             String user = "you";
diff --git a/examples/csharp/helloworld/GreeterClient/packages.config b/examples/csharp/helloworld/GreeterClient/packages.config
index c0f73879160e59dfa4f6d5039908615a71e9d883..cabcadc78f2a7119945c60e53a1ea4feb0573999 100644
--- a/examples/csharp/helloworld/GreeterClient/packages.config
+++ b/examples/csharp/helloworld/GreeterClient/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.7.1" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.7.1" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.2.3" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.9" targetFramework="net45" />
-  <package id="grpc.native.csharp_ext" version="0.11.1" targetFramework="net45" />
+  <package id="Grpc" version="0.12.0" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
+  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
+  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj b/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
index 752f32828b02a0f3d6b1a069f10a7b6d05c78131..56436d3834cf01c04092232277dec5299ac8b77c 100644
--- a/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
+++ b/examples/csharp/helloworld/GreeterServer/GreeterServer.csproj
@@ -1,8 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" />
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" />
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -13,7 +10,7 @@
     <RootNamespace>GreeterServer</RootNamespace>
     <AssemblyName>GreeterServer</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
-    <NuGetPackageImportStamp>53a3a588</NuGetPackageImportStamp>
+    <NuGetPackageImportStamp>8a2cae0f</NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -37,9 +34,8 @@
     <Reference Include="Google.Protobuf">
       <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Grpc.Core, Version=0.7.1.0, Culture=neutral, PublicKeyToken=d754f35622e28bad, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\Grpc.Core.0.7.1\lib\net45\Grpc.Core.dll</HintPath>
+    <Reference Include="Grpc.Core">
+      <HintPath>..\packages\Grpc.Core.0.12.0\lib\net45\Grpc.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Interactive.Async">
@@ -60,18 +56,15 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.props'))" />
-    <Error Condition="!Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.zlib.redist.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets'))" />
+    <Error Condition="!Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets'))" />
   </Target>
-  <Import Project="..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\portable-net45\grpc.dependencies.zlib.redist.targets')" />
-  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\portable-net45\grpc.dependencies.openssl.redist.targets')" />
-  <Import Project="..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets" Condition="Exists('..\packages\grpc.native.csharp_ext.0.11.1\build\portable-net45\grpc.native.csharp_ext.targets')" />
+  <Import Project="..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\portable-net45+netcore45+wpa81+wp8\grpc.dependencies.openssl.redist.targets')" />
+  <Import Project="..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets" Condition="Exists('..\packages\grpc.native.csharp.0.12.0\build\portable-net45+netcore45+wpa81+wp8\grpc.native.csharp.targets')" />
 </Project>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/GreeterServer/packages.config b/examples/csharp/helloworld/GreeterServer/packages.config
index c0f73879160e59dfa4f6d5039908615a71e9d883..cabcadc78f2a7119945c60e53a1ea4feb0573999 100644
--- a/examples/csharp/helloworld/GreeterServer/packages.config
+++ b/examples/csharp/helloworld/GreeterServer/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Google.Protobuf" version="3.0.0-alpha4" targetFramework="net45" />
-  <package id="Grpc" version="0.7.1" targetFramework="net45" />
-  <package id="Grpc.Core" version="0.7.1" targetFramework="net45" />
-  <package id="grpc.dependencies.openssl.redist" version="1.0.2.3" targetFramework="net45" />
-  <package id="grpc.dependencies.zlib.redist" version="1.2.8.9" targetFramework="net45" />
-  <package id="grpc.native.csharp_ext" version="0.11.1" targetFramework="net45" />
+  <package id="Grpc" version="0.12.0" targetFramework="net45" />
+  <package id="Grpc.Core" version="0.12.0" targetFramework="net45" />
+  <package id="grpc.dependencies.openssl.redist" version="1.0.204.1" targetFramework="net45" />
+  <package id="grpc.dependencies.zlib.redist" version="1.2.8.10" targetFramework="net45" />
+  <package id="grpc.native.csharp" version="0.12.0" targetFramework="net45" />
   <package id="Ix-Async" version="1.2.3" targetFramework="net45" />
 </packages>
\ No newline at end of file
diff --git a/examples/csharp/helloworld/generate_protos.bat b/examples/csharp/helloworld/generate_protos.bat
index 9a5a9d3ee395df66b20f2d6eccf178c7ebfc173e..8ba2c2e936fa779fd5ae833679967783a7673cbb 100644
--- a/examples/csharp/helloworld/generate_protos.bat
+++ b/examples/csharp/helloworld/generate_protos.bat
@@ -5,6 +5,6 @@ setlocal
 @rem enter this directory
 cd /d %~dp0
 
-packages\Google.Protobuf.3.0.0-alpha4\tools\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=packages\Grpc.Tools.0.7.0\tools\grpc_csharp_plugin.exe
+packages\Google.Protobuf.3.0.0-alpha4\tools\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=packages\Grpc.Tools.0.12.0\tools\grpc_csharp_plugin.exe
 
 endlocal
\ No newline at end of file