|Component:||Microsoft Exchange Extensible Storage Engine Backup|
|Message:||process name (process id) Server registered: name / service name (callback DLL DLL name, flags value).|
This is an informational event typically associated with an Exchange store database or a Site Replication Service (SRS) database that dismounts with an error or cannot be mounted with an error.
Note “Server registered” always refers to Exchange Server and means that the Extensible Storage Engine (ESE) backup endpoints have been registered. The service referenced in the event can be the Microsoft Exchange Information Store service or the SRS.
See User Action for some specific causes and resolutions to this error.
The following are some specific causes and resolutions associated with ESEBackup Event 905:
If you still cannot restore your backup, examine the Application log for associated events that may help you determine the root cause of the Exchange store database failure or the SRS database failure.