Every so often when performing our daily scheduled differential backup, I get the below error.
Backup- \\<SERVER>.<do.main>\D:
V-79-57344-65033 - Directory not found. Cannot backup directory \All_Systems_Flat_Backu...
Craig,
If you partition your slots, so that your cleaning media are not in the range of slots you wish to inventory, then it shouldn't inventory your cleaning media.
Was the mailbox moved from another storage group sonce the backup?
Have you confirmed that the mailbox in question is in the backup selection list?
Have you tried just backing up (then restoring) that one mailbox, as a test?
Was the mailbox moved...