Article ID: 924204
Article Last Modified on 10/25/2007
APPLIES TO
- Microsoft Exchange Server 2003 Enterprise Edition
- Microsoft Exchange Server 2003 Standard Edition
Source: Microsoft Support
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SYMPTOMS
Exchange databases cannot be backup up using either a third party backup solution, or the Exchange aware NT Backup application.
The application event log shows the following:
Event Type: Error Event Source: ESE BACKUP Event Category: (5) Event ID: 904 Date: <date> Time: <time> User: N/A Computer: <servername> Description: Information Store (2264) Callback function call ErrESECBPrepareInstanceForBackup ended with error 0xC7FE1F45 Instance not found.
Additionally, the Exchange databases cannot be mounted.
CAUSE
The transaction log file drive has filled to capacity.
RESOLUTION
Remove un-needed log files to another disk drive to free disk space.
Refer to the following Microsoft Knowledge Base article for instructions:
240145 How to remove Exchange Server transaction log files
ADDITIONAL INFORMATION:
328794 How to protect Exchange data from hard disk failure
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Keywords: kbprb kbtshoot kbrapidpub KB924204
