THANKS A LOT both of you. I will probably try to do a new migrate. Agree that MediaID might be the problem but not how. The backup IS on the drive where it was originally created. I can se the file...

After producing a WidowsImageBackup and a Repair disk for my Windows 10 system I went back to Windows 7 with help of an earlier taken SystemImageBackup. No problems. (I did so because of lacking...