After recovering them, I could reboot them all I wanted during the week with no problems. For a while, 2 of those servers were only backed up once per week. This only happens on 3 servers consistently (all 3 are Windows Server 2003) and it only happens after running a scheduled drive image. Running diskpart does show the NTFS partitions. If I boot to the recovery console and run the bootcfg, it does not find any Windows installations. I've looked at the partitions and I can't find anything wrong with them. The only way to recover the server is to restore the last drive image that was made (the whole disk, not just the system partition). I've tried running fixboot and fixmbr from recovery console but fixboot won't run and says it's corrupt and cannot be fixed. If I shut them down or reboot them, while Windows is loading I get the error that "Autochk program not found - skipping AUTOCHECK" and then a BSOD that quickly flashes and the system reboots.
Several servers have developed a problem where they will not reboot.
I recently switched from tape backups to drive image backups using the latest Acronis True Image Server products on our servers.