Windows Server 2016 – Volume Shadow Copy Service error Event ID 8193 / 8194 Error

OK while we are on track solving all critical Event log Errors we just might also tackle this one…

Like Event ID 8193 / 8194 and 12291 VSS …

You can use VSSAdmin commandline to investigate

SOLUTION :

1. Event ID 8193 – Check Registry Key Security Settings for the NETWORK SERVICE Account.

MESSAGE : VSS error ID 8193 (Volume Shadow Copy Service error: Unexpected error calling routine RegOpenKeyExW…)

Add the NETWORKS SERVICE account to the VSS Service RegKey Diag :

– HKLM\System\CurrentControlSet\Services\VSS\Diag

2. Event ID 8194 – Check DCOM Security Settings for the NETWORK SERVICE Account.

MESSAGE : Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface.  hr = 0x80070005, Access is denied.

Open the DCOMCNFG check if the NETWORK SERVICE is present if not add the LOCAL ACCESS.

Success !