diff --git a/build.cake b/build.cake
index 1d52a46..e08389e 100644
--- a/build.cake
+++ b/build.cake
@@ -22,7 +22,7 @@ var csProjectFiles = GetFiles("./src/**/*.csproj");
 var nuget = Directory(".nuget");
 var output = Directory("build");
 var outputBinaries = output + Directory("binaries");
-var outputBinariesNet451 = outputBinaries + Directory("net451");
+var outputBinariesNet45 = outputBinaries + Directory("net45");
 var outputBinariesNetstandard = outputBinaries + Directory("netstandard1.3");
 var outputPackages = output + Directory("packages");
 var outputNuGet = output + Directory("nuget");
@@ -36,7 +36,7 @@ Task("Clean")
   // Clean artifact directories.
   CleanDirectories(new DirectoryPath[] {
     output, outputBinaries, outputPackages, outputNuGet,
-    outputBinariesNet451, outputBinariesNetstandard
+    outputBinariesNet45, outputBinariesNetstandard
   });
 
   if(!skipClean) {
@@ -169,7 +169,7 @@ Task("Benchmark")
 {
   StartProcess(nuget.ToString() + "/nuget.exe", "install NBench.Runner -OutputDirectory tools -ExcludeVersion -Version 0.3.4");
 
-  var libraries = GetFiles("./test/**/bin/" + configuration + "/net451/*.Performance.dll");
+  var libraries = GetFiles("./test/**/bin/" + configuration + "/net45/*.Performance.dll");
   CreateDirectory(outputPerfResults);
 
   foreach (var lib in libraries)
diff --git a/src/DotNetty.Buffers/DotNetty.Buffers.csproj b/src/DotNetty.Buffers/DotNetty.Buffers.csproj
index ece8e44..970f520 100644
--- a/src/DotNetty.Buffers/DotNetty.Buffers.csproj
+++ b/src/DotNetty.Buffers/DotNetty.Buffers.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <Description>Buffer management in DotNetty</Description>
     <Copyright>Copyright © Microsoft Corporation</Copyright>
@@ -28,7 +28,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj b/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj
index 6668105..9bd1540 100644
--- a/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj
+++ b/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Codecs.Mqtt</PackageId>
     <Description>MQTT codec for DotNetty</Description>
@@ -32,7 +32,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj b/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj
index 47f3876..664fa65 100644
--- a/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj
+++ b/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Codecs.Protobuf</PackageId>
     <Description>Protobuf Proto3 codec for DotNetty</Description>
@@ -35,7 +35,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj b/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj
index 9e91fc6..c286e6f 100644
--- a/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj
+++ b/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Codecs.ProtocolBuffers</PackageId>
     <Description>ProtocolBuffers Proto2 codec for DotNetty</Description>
@@ -38,7 +38,7 @@
     <PackageReference Include="Microsoft.NETCore.Portable.Compatibility" Version="1.0.1" />
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj b/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj
index aebb8a9..c4adeea 100644
--- a/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj
+++ b/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Codecs.Redis</PackageId>
     <Description>Redis codec for DotNetty</Description>
@@ -32,7 +32,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Codecs/DotNetty.Codecs.csproj b/src/DotNetty.Codecs/DotNetty.Codecs.csproj
index c216355..a4a88f1 100644
--- a/src/DotNetty.Codecs/DotNetty.Codecs.csproj
+++ b/src/DotNetty.Codecs/DotNetty.Codecs.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Codecs</PackageId>
     <Description>General purpose codecs for DotNetty</Description>
@@ -33,7 +33,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Common/DotNetty.Common.csproj b/src/DotNetty.Common/DotNetty.Common.csproj
index 560a5eb..8a62757 100644
--- a/src/DotNetty.Common/DotNetty.Common.csproj
+++ b/src/DotNetty.Common/DotNetty.Common.csproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Common</PackageId>
     <Description>DotNetty common routines</Description>
@@ -31,7 +31,7 @@
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
     <PackageReference Include="System.Net.NetworkInformation" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System.Runtime" />
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
diff --git a/src/DotNetty.Handlers/DotNetty.Handlers.csproj b/src/DotNetty.Handlers/DotNetty.Handlers.csproj
index 5c19b18..de41447 100644
--- a/src/DotNetty.Handlers/DotNetty.Handlers.csproj
+++ b/src/DotNetty.Handlers/DotNetty.Handlers.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Handlers</PackageId>
     <Description>Application handlers for DotNetty</Description>
@@ -33,7 +33,7 @@
     <PackageReference Include="System.Net.Security" Version="4.3.0" />
     <PackageReference Include="System.Diagnostics.Contracts" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/src/DotNetty.Transport/DotNetty.Transport.csproj b/src/DotNetty.Transport/DotNetty.Transport.csproj
index ce9a997..a0998b5 100644
--- a/src/DotNetty.Transport/DotNetty.Transport.csproj
+++ b/src/DotNetty.Transport/DotNetty.Transport.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?><Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Label="NuGet">
-    <TargetFrameworks>netstandard1.3;net451</TargetFrameworks>
+    <TargetFrameworks>netstandard1.3;net45</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>DotNetty.Transport</PackageId>
     <Description>Transport model in DotNetty</Description>
@@ -35,7 +35,7 @@
     <PackageReference Include="System.Diagnostics.StackTrace" Version="4.3.0" />
     <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
diff --git a/test/DotNetty.Buffers.Tests/DotNetty.Buffers.Tests.csproj b/test/DotNetty.Buffers.Tests/DotNetty.Buffers.Tests.csproj
index 603a7a4..5efdfc8 100644
--- a/test/DotNetty.Buffers.Tests/DotNetty.Buffers.Tests.csproj
+++ b/test/DotNetty.Buffers.Tests/DotNetty.Buffers.Tests.csproj
@@ -1,21 +1,21 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Codecs.Mqtt.Tests/DotNetty.Codecs.Mqtt.Tests.csproj b/test/DotNetty.Codecs.Mqtt.Tests/DotNetty.Codecs.Mqtt.Tests.csproj
index 8bfe729..2f6942b 100644
--- a/test/DotNetty.Codecs.Mqtt.Tests/DotNetty.Codecs.Mqtt.Tests.csproj
+++ b/test/DotNetty.Codecs.Mqtt.Tests/DotNetty.Codecs.Mqtt.Tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />    
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Codecs.Protobuf.Tests/DotNetty.Codecs.Protobuf.Tests.csproj b/test/DotNetty.Codecs.Protobuf.Tests/DotNetty.Codecs.Protobuf.Tests.csproj
index 75b1d06..07ecb8e 100644
--- a/test/DotNetty.Codecs.Protobuf.Tests/DotNetty.Codecs.Protobuf.Tests.csproj
+++ b/test/DotNetty.Codecs.Protobuf.Tests/DotNetty.Codecs.Protobuf.Tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Codecs.ProtocolBuffers.Tests/DotNetty.Codecs.ProtocolBuffers.Tests.csproj b/test/DotNetty.Codecs.ProtocolBuffers.Tests/DotNetty.Codecs.ProtocolBuffers.Tests.csproj
index 41910af..2e6aab9 100644
--- a/test/DotNetty.Codecs.ProtocolBuffers.Tests/DotNetty.Codecs.ProtocolBuffers.Tests.csproj
+++ b/test/DotNetty.Codecs.ProtocolBuffers.Tests/DotNetty.Codecs.ProtocolBuffers.Tests.csproj
@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <PackageTargetFallback Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">$(PackageTargetFallback);portable-net45+win8</PackageTargetFallback>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -13,11 +13,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Codecs.Redis.Tests/DotNetty.Codecs.Redis.Tests.csproj b/test/DotNetty.Codecs.Redis.Tests/DotNetty.Codecs.Redis.Tests.csproj
index e4b1065..3a40bd6 100644
--- a/test/DotNetty.Codecs.Redis.Tests/DotNetty.Codecs.Redis.Tests.csproj
+++ b/test/DotNetty.Codecs.Redis.Tests/DotNetty.Codecs.Redis.Tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Codecs.Tests/DotNetty.Codecs.Tests.csproj b/test/DotNetty.Codecs.Tests/DotNetty.Codecs.Tests.csproj
index b15cc64..96c36e8 100644
--- a/test/DotNetty.Codecs.Tests/DotNetty.Codecs.Tests.csproj
+++ b/test/DotNetty.Codecs.Tests/DotNetty.Codecs.Tests.csproj
@@ -1,22 +1,27 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Moq" Version="4.6.38-alpha" />
   </ItemGroup>
-  <ItemGroup>
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170125-04" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
+  </ItemGroup>
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
+    <PackageReference Include="xunit" Version="2.1.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\src\DotNetty.Common\DotNetty.Common.csproj" />
diff --git a/test/DotNetty.Common.Tests/DotNetty.Common.Tests.csproj b/test/DotNetty.Common.Tests/DotNetty.Common.Tests.csproj
index 609eb9b..20c3fa9 100644
--- a/test/DotNetty.Common.Tests/DotNetty.Common.Tests.csproj
+++ b/test/DotNetty.Common.Tests/DotNetty.Common.Tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />    
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Handlers.Tests/DotNetty.Handlers.Tests.csproj b/test/DotNetty.Handlers.Tests/DotNetty.Handlers.Tests.csproj
index d6b313f..f3b2d3f 100644
--- a/test/DotNetty.Handlers.Tests/DotNetty.Handlers.Tests.csproj
+++ b/test/DotNetty.Handlers.Tests/DotNetty.Handlers.Tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Microbench/DotNetty.Microbench.csproj b/test/DotNetty.Microbench/DotNetty.Microbench.csproj
index 46022a2..598f253 100644
--- a/test/DotNetty.Microbench/DotNetty.Microbench.csproj
+++ b/test/DotNetty.Microbench/DotNetty.Microbench.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Microbench/Utilities/CodeTimer.cs b/test/DotNetty.Microbench/Utilities/CodeTimer.cs
index 15d4293..4a3a54b 100644
--- a/test/DotNetty.Microbench/Utilities/CodeTimer.cs
+++ b/test/DotNetty.Microbench/Utilities/CodeTimer.cs
@@ -39,7 +39,7 @@ namespace DotNetty.Microbench.Utilities
             // Get the time before returning so that any code above doesn't 
             // impact the time.
             this.startTime = Stopwatch.GetTimestamp();
-#if NET451
+#if NET45
             var handle = Process.GetCurrentProcess().Handle;
 #else
             var handle = Process.GetCurrentProcess().SafeHandle.DangerousGetHandle();
@@ -121,7 +121,7 @@ namespace DotNetty.Microbench.Utilities
 
         public void Dispose()
         {
-#if NET451
+#if NET45
             var handle = Process.GetCurrentProcess().Handle;
 #else
             var handle = Process.GetCurrentProcess().SafeHandle.DangerousGetHandle();
diff --git a/test/DotNetty.Tests.Common/DotNetty.Tests.Common.csproj b/test/DotNetty.Tests.Common/DotNetty.Tests.Common.csproj
index 14de66c..5fb197a 100644
--- a/test/DotNetty.Tests.Common/DotNetty.Tests.Common.csproj
+++ b/test/DotNetty.Tests.Common/DotNetty.Tests.Common.csproj
@@ -2,23 +2,23 @@
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <ItemGroup>
     <EmbeddedResource Include="..\..\shared\dotnetty.com.pfx" />
   </ItemGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
diff --git a/test/DotNetty.Tests.End2End/DotNetty.Tests.End2End.csproj b/test/DotNetty.Tests.End2End/DotNetty.Tests.End2End.csproj
index a59aac2..1f7f7f6 100644
--- a/test/DotNetty.Tests.End2End/DotNetty.Tests.End2End.csproj
+++ b/test/DotNetty.Tests.End2End/DotNetty.Tests.End2End.csproj
@@ -1,20 +1,21 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />
@@ -28,4 +29,5 @@
     <ProjectReference Include="..\..\src\DotNetty.Transport\DotNetty.Transport.csproj" />
     <ProjectReference Include="..\DotNetty.Tests.Common\DotNetty.Tests.Common.csproj" />
   </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/test/DotNetty.Transport.Tests.Performance/DotNetty.Transport.Tests.Performance.csproj b/test/DotNetty.Transport.Tests.Performance/DotNetty.Transport.Tests.Performance.csproj
index adbad97..fe988a3 100644
--- a/test/DotNetty.Transport.Tests.Performance/DotNetty.Transport.Tests.Performance.csproj
+++ b/test/DotNetty.Transport.Tests.Performance/DotNetty.Transport.Tests.Performance.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFramework>net451</TargetFramework>
+    <TargetFramework>net45</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <ItemGroup>
diff --git a/test/DotNetty.Transport.Tests/DotNetty.Transport.Tests.csproj b/test/DotNetty.Transport.Tests/DotNetty.Transport.Tests.csproj
index 4a895e1..35f90c8 100644
--- a/test/DotNetty.Transport.Tests/DotNetty.Transport.Tests.csproj
+++ b/test/DotNetty.Transport.Tests/DotNetty.Transport.Tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net45</TargetFrameworks>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <AssemblyOriginatorKeyFile>../../DotNetty.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
   <ItemGroup>
@@ -14,11 +14,11 @@
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.1' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170106-08" />
-    <PackageReference Include="xunit" Version="2.2.0-beta5-build3474" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta5-build1225" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20170210-02" />
+    <PackageReference Include="xunit" Version="2.2.0-rc3-build3528" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-rc3-build1252" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net45' ">
     <PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.0" />
     <PackageReference Include="xunit" Version="2.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.1.0" />