Windows – Backup failed with following error code ‘2155347997’

I have a System State backup failing for days on a Windows 2K8r2 server, giving an Event ID 517 error Sad smile


Quite a cryptic error code ‘2155347997’

After looking around on the interweb I found a lot of hotfixes and workarounds to get it solved. But I was convinced that none of those was really the root cause.

I had a gut feeling that lack of disk space would be a more reasonable cause of the failing backup.

I decided to start a manual backup using WBAdmin

But it did end into the same error ?

Next I decided to save the backup to a different server logical disk using this command :



And voila all went well Smile


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