- Visual Studio -> Tools -> Library Package Manager -> Package Manager Settings -> Package Sources
- Add source http://www.myget.org/F/aspnetwebstacknightly/
Open NuGet.targets
<ItemGroup Condition=" '$(PackageSources)' == '' ">
<PackageSource Include="https://nuget.org/api/v2/" />
<PackageSource Include="http://www.myget.org/F/aspnetwebstacknightly/" />
</ItemGroup>