VSS Error 8193 when backup starts on Windows Server (2008 SP2)
Error message:
Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface. hr = 0x80070005. This is often caused by incorrect security settings in either the writer or requestor process.
Operation:
Gathering Writer Data
Context:
Writer Class Id: {e8132975-6f93-4464-a53e-1050253ae220}
Writer Name: System Writer
Writer Instance ID: {f1e60694-d50f-42d1-a426-98503c0b29ae}
Start an elevated command prompt and type: vssadmin list writers
You get the following error for the specified writer: Non-retryable error
Start the registry editor and go to the following key:
- HKey_Local_Machine\Software\Microsoft\Windows NT\CurrentVersion\ProfileList
- Backup the registry
- Delete any .bak value
- restart the server
- Check if the issue is fixed
Any related comments, questions etc. welcome.
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