The mailbox restore operation completed sucessfully; however not all of the mailbox items were restored. Run the mailbox restore operation again on the mailboxes that reported partial completion, or use mailbox filters to restore a smaller subset of messages.
The mailbox restore operation has only partially completed. The messages that were restored were restored correctly, but some items were not restored. This failure might be because there were too many items to restore in one operation.
Processing stops.
Run the mailbox restore operation again on the mailboxes that reported partial completion, or use mailbox filters to restore a smaller subset of messages.