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Barracuda backup problem with Event ID 8193

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Barracuda backup problem with Event ID 8193

Postby chicagotech » Mon Mar 27, 2017 11:21 am

Situation: The client uses Barracuda to backup their servers. They have a problem to backup one of servers with this Error during backup initialization.

Troubleshooting: 1. Make sure no other backup is running in the same time.

2. Run vssadmin list writers command on the problematic server to check any errors.

3. Please refer to this article: "Backup failed due to an error in the Microsoft Shadow Copy component" with Event ID 8193. The SID being referenced in the event can not be resolved. This is due to a “.bak” entry inside the following registry sub tree: HKey_Local_Machine\Software\Microsoft\Windows NT\CurrentVersion\ProfileList.

These are the steps;
1.On the problematic machine, open the Registry Editor
2.Browse to HKLM\Software\Microsoft\Windows NT\CurrentVersion\ProfileList
3.Check for any entries that have a ".bak" value appended. If so, this may be cause the failure when trying to resolve the SID of the writer.
4.Please backup the registry key first, and then delete the entry with the extra ".bak"
5.Reboot the problematic machine
6.Re-try the backup
7.If the above does not work, then please try to assign a drive letter to the boot partition and then remove it, and again re-try the backup.
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