Volume Shadow Copy Service error Event 8194

[freddeklepper]

Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface. hr = 0x80070005, Access is denied.
. This is often caused by incorrect security settings in either the writer or requestor process.

Win 11 Pro, 22H2

User name: FredAdmin
Domain name: Fred_Win_11
Machine name: FRED_WIN_11

64-bit OS: Yes
64-bit process: True

OS Version: 10.0.22621.0
OS Version string: Microsoft Windows NT 10.0.22621.0
Platform ID: Win32NT

System directory: C:\Windows\system32
System page size: 4 KB

Dotnet version: 4.0.30319.42000

Program version: 2.5.00
Database version: 2.0

Upgraded from previous version to 2.5.00 but with the same result 8194 error. Also tried with Impersonation set to admin account but still fails.

Any suggestions???

[cobian]

This is a problem with the VSC service configuration. Try this:

https://www.terabyteunlimited.com/kb/kb ... ng-backup/

[freddeklepper]

Luis,
Did as you suggested and that works fine.
Many thanks,
Fred.