I need to rebuild and then restore a backup of CM 4.1.2 but I cannot find the disks. Is there any way I can use 4.1(3) disks and restore into that.
Sorry to say, this is not a supported method :( Here is a clip from the CCM 4.1(2) Backup and Restore documentation;
Do a system restore on the same Cisco CallManager version. Changes from release to release cause problems if you try to restore from a different version.
Hope this helps!