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Backups failing with the error "An unknown Error has occurred"

Backups are failing with the error: An unknown error occurred. Final error: System Errors.

OS: Windows 2003 service pack 2

The backup server is mapped to a Data Domain device where the backups are deviated but recently all backups are failing with the same error.

I managed to clear up some space in the Data domain device and also verified the credentials used for running the backups but the backups are failing continously. I checked the scratch media available to run the backups.

The backups run for a while and after a slight increase in the byte count, it fails with the same error.

Please let me know if there are any work arounds/fixes to this issue. Upgrading might resolve the issue but that would be the last resort.


1 Reply

Any errors in the application

Any errors in the application log of windows?