process name (process id) Callback function call name ended with error error codeerror message.

Details
Product: Exchange
Event ID: 904
Source: ESE BACKUP
Version: 6.5.0000.0
Message: process name (process id) Callback function call name ended with error error codeerror message.
   
Explanation
One of ESE Backup”s callback functions returned an error.

This can potentially signify a very serious situation in which the backup has failed.

   
User Action
There are a variety of possible causes and resolutions:

1) Log files are missing or invalid and ESE cannot finish log file replay after restoring the database files.

2) You have tried to restore a database and the “allow database to be overwritten by a restore” checkbox is unchecked.

3) The database was not unmounted before you attempted to restore it from a backup.

4) You have tried to restore a database and the original database display name has been changed is or different (as on a recovery server).

5) The checksum of the log files existing on the server don”t match the checksum of the log file of the backup.

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