Various issues may occur on a Windows Server 2003-based computer that is running the Volume Shadow Copy Service
KB Article: https://support.microsoft.com/kb/940032
On a Microsoft Windows Server 2003-based computer that is running the Volume Shadow Copy Service (VSS), you experience one of the following symptoms:
· When you perform a backup operation by using the NTBackup tool, the following event is logged in the Application log:
Event Type: Error
Event Source: NTBackup
Event ID: 8019
Description: End Operation: Warnings or errors were encountered. Consult the backup report for more details.
Note If you view the backup log file, the following information is displayed:
Error returned while creating the volume shadow copy:0xffffffff
· If you access the properties of a volume and then click Shadow Copies, you receive one of the following error messages:
Error 0x8004230F: The shadow copy provider had an unexpected error while trying to process the specified operation.
Error 0x80004002: No such interface supported
· One of the following events is logged in the Application log:
Event Type: Error
Event Source: VSS
Event ID: 20
Description: Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy Service is not registered. This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider. The error returned from CoCreateInstance on class with CLSID {faf53cc4-bd73-4e36-83f1-2b23f46e513e} and Name VSSEvent is [0x80040154].
Event Type: Error
Event Source: VSS
Event ID: 20
Description: Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy Service is not registered. This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider. The error returned from CoCreateInstance on class with CLSID {faf53cc4-bd73-4e36-83f1-2b23f46e513e} and Name VSSEvent is [0x80004002].
Event Type: Error
Event Source: VSS
Event ID: 8193
Description: Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance. hr = 0x80040154.
Event Type: Error
Event Source: VSS
Event Category: None
Event ID: 8193
Description: Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance. hr = 0x80004002.
Event Type: Error
Event Source: VSS
Event ID: 12302
Description: Volume Shadow Copy Service error: An internal inconsistency was detected in trying to contact shadow copy service writers. Please check to see that the Event Service and Volume Shadow Copy Service are operating properly.