So we have several instances of Server 2008 which have been upgraded to 2012 and all are now at R2. The problem comes from having difficulties adding the GUI to the 2012 R2 release. Updates have been applied to the systems since their upgrades and having gone though several site and following suggestions as to how to accomplish this I am still running into issues.
The first was simply how to do so and the route taken was to apply the correct WIM from the install disk - in this case to determine which was needed that install it specifying the source as the optical drive. This led to an 'inability to download' error pretty much saying that the update o r role change files could not be downloaded.
This was also a common problem and so I copied all the files from that WIM to a location on the drive. Basically still get the response 'unable...