Attempting to Install .NET Framework 3.5 on Windows Server 2012 R2 Fails with Error Code 0x800F0906 or “the source files could not be downloaded”, even when supplying source

In one of my prior posts, I mentioned a step required when installing .Net Framework 3.5 on Windows Server 2012 or later operating systems. Specifically, I mentioned the need to supply the source for the .Net files because this is one of the few components we do not stage to the component store on Windows… Read more