New Post: Problem to deploy custom update on windows server 2012R2

OK, the short way to get .Net Framework:

Create a Folder: c:_source > copy sources\SxS from install DVD/Source.

Delete on the target machine all Registry Settings from WSUS:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate

Restart WUAUSERV.

Now add Feature .Net Framework and tell the Wizard the alternate Path c:_source\Sources\sxs Now it will work. After this, restart the whole server.