Event Id: 8193: Volume Shadow Copy service error unexpected error after a hardware shadow copy fails over in a clustered environment

Event Id: 8193: Volume Shadow Copy service error unexpected error after a hardware shadow copy fails over in a clustered environment

  • Article ID:100003453
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  • Product(s):NetBackup
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Problem

After a cluster failover, the Volume Shadow Copy (VSS) service experiences event id 8193 in the application event log on each invocation.
Running the "vssadmin list writers" command results in "Error: 0x8000FFFF"

Error Message

Event Type: Error    Event Source: VSS    Event Category: None    Event ID: 8193    Computer: Computer_name    Description:    Volume Shadow Copy Service error: Unexpected error 

The remainder of the message is variable.

Cause

This problem may occur if the following registry key is corrupted: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EventSystem\{26c409cc-ae86-11d1-b616-00805fc79216}\Subscriptions

Solution

Customer opened a case with Microsoft Support who recommended the remedy in
KB  Article 940184:

http://support.microsoft.com/kb/940184

As well as the hotfix:

http://support.microsoft.com/kb/833167


Applies To

Windows Server 2003 R2 Enterprise Edition
NetBackup Enterprise Server 6.5

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