Backup Fails with VSS error 0x8000ffff: Catastrophic failure

Last Modified

Fri Apr 29 10:16 GMT 2022

Description

• Data source 'MS SQL (VSS)' is not ready for backup: VSS error 0x8000ffff: Catastrophic failure
• Data source 'System state (VSS)' is not ready for backup: VSS error 0x8000ffff: Catastrophic failure
• Backup won't start

Environment

• Cove Data Protection
• N-able RMM
  • Backup & Recovery
• Storagecraft
• Arcserve

Solution

• This problem may occur if the following registry key is corrupted:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EventSystem\{26c409cc-ae86-11d1-b616-00805fc79216}\Subscription
• See the following technet article for full instructions: https://support.microsoft.com/en-us/kb/940184