Adding the configurations for the net40 build resulting in failure of the AfterBuild step that builds the x86 version of migrate.exe, so the AfterBuild step has been disabled. Uncomment out the step at the end of the migrate csproj file and run build from the command line to repro.
The line in NuGet.proj that adds migrate.x86.exe to the NuGet package also needs to be re-enabled.
The line in NuGet.proj that adds migrate.x86.exe to the NuGet package also needs to be re-enabled.