Backups for a specific agent are failing and VSS errors with event ID 8230 are logged in the agent's Application log.
The events may show the following in the Description:
"Volume Shadow Copy Service error: Failed resolving account AppassureService with status 1376. Check connection to domain controller and VssAccessControl registry key. Operation: Gather writers' status Executing Asynchronous Operation Context: Current State: GatherWriterStatus Error-specific details: Error: NetLocalGroupGetMemebers(AppassureService), 0x80070560, The specified local group does not exist. "
The root cause for the errors can be various reasons and three likely scenarios have been identified below. They all revolve around the account specified in this registry key on the agent - HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VSS\VssAccessControl.
To fix these errors please follow the steps below.