| 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. |
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| 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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