Forgive me if this has been asked before, but searching the forum for the requisite terms provides far too many hits to sort though. I have followed the excellent tutorial from this stickied thread : How-To-Create-PRO-OEM-SLP-CD But creating such a disc is good for a fresh install only. I would prefer that it also be able to be used for a "repair install" or in-place upgrade as MS somtimes refers to it. Any reason why this cannot be done? I understand that the disc because of its OEMBIOS SLP string and VLK key is specific to the make/model, but even if it asked for the VLK during the repair process, it would be better than not having a repair option at all. Please advise.