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Volume Shadow Copy Service Operations

Updated: January 27, 2011

Applies To: Windows Server 2008

The Volume Shadow Copy Service (VSS) provides the ability to create a point in time image (shadow copy) of one or more volumes that can be used to perform backups. The service is also used during restores of applications.

Events

Event ID Source Message

13

VSS

Volume Shadow Copy Service information: The COM Server with CLSID %1 and name %2 cannot be started. [%3] %4

15

VSS

The user name %1 specified in registry (%2) does not map to a real user name. The entry is ignored. It must have a valid username as name, be of type REG_DWORD, and value either '0' or '1'. %3

16

VSS

The value with name %1 specified in registry (%2) is not of type REG_DWORD. The entry is ignored. It must have a valid username as name, be of type REG_DWORD, and value either '0' or '1'. Value '0' denies the username from running any VSS writer. Value '1' is used to allow it. %3

17

VSS

The value with name %1 specified in registry (%2) of value (%3) cannot be interpreted. The entry is ignored. It must have a valid username as name, be of type REG_DWORD, and value either '0' or '1'. Value '0' denies the username from running any VSS writer. Value '1' is used to allow it. %4

19

VSS

Volume Shadow Copy Service error: The EventSystem service is disabled or is attempting to start during Safe Mode. The Volume Shadow Copy service cannot start while in safe mode. If not in safe mode, make sure that EventSystem service is enabled. CLSID:%1 Name:%2 [%3] %4

20

VSS

Volume Shadow Copy Service error: The Volume Shadow Copy infrastructure cannot be used during Safe Mode. %1

21

VSS

Volume Shadow Copy Service error: Writers will not receive events since the COM+ database is corrupted. This might happened if an error occurred during Windows setup. The error returned from CoCreateInstance on class with CLSID %1 and Name %2 is [%3] %4

26

VSS

Volume Shadow Copy Service error: Either the COM+ Event System service (EventSystem) or the COM+ System Application service (COMSysApp) is disabled. Please enable the service and try again. %1

27

VSS

Volume Shadow Copy Service error: The Volume Shadow Copy service (VSS) is disabled. Please enable the service and try again. %1

28

VSS

Volume Shadow Copy Service error: The Microsoft Software Shadow Copy Provider (SWPRV) service is disabled. Please enable the service and try again. %1

8194

VSS

Volume Shadow Copy Service error: Unexpected error querying for the IVssWriterCallback interface. hr = %1. This is often caused by incorrect security settings in either the writer or requestor process. %2

8211

VSS

Volume Shadow Copy Service error: Writer with name %1 and ID %2 attempted to subscribe in safe mode. %3

8213

VSS

Volume Shadow Copy Service error: The process that hosts the writer with name %1 and ID %2 does not run under a user with sufficient access rights. Consider running this process under a local account which is either Local System, Administrator, Network Service, or Local Service. %3

8224

VSS

The VSS service is shutting down due to idle timeout. %1

8225

VSS

The VSS service is shutting down due to shutdown event from the Service Control Manager. %1

12291

VSS

Volume Shadow Copy Service error: Error on creating/using the COM+ Writers publisher interface: %1 [%2]. %3

12293

VSS

Volume Shadow Copy Service error: Error calling a routine on a Shadow Copy Provider %1. Routine details %2 [hr = %3]. %4

12296

VSS

Volume Shadow Copy Service error: The system may be low on resources. Unexpected error at background thread creation (_beginthreadex returns %1, errno=%2).

12297

VSS

Volume Shadow Copy Service error: The I/O writes cannot be flushed during the shadow copy creation period on volume %1. The volume index in the shadow copy set is %2. Error details: Open[%3], Flush[%4], Release[%5], OnRun[%6].

12298

VSS

Volume Shadow Copy Service error: The I/O writes cannot be held during the shadow copy creation period on volume %1. The volume index in the shadow copy set is %2. Error details: Open[%3], Flush[%4], Release[%5], OnRun[%6].

12301

VSS

Volume Shadow Copy Service error: Writer %1 did not respond to a GatherWriterStatus call.

12302

VSS

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. %1

12305

VSS

Volume Shadow Copy Service error: Volume/disk not connected or not found. Error context: %1. %2

12310

VSS

Volume Shadow Copy Service error: The shadow copy could not be committed - operation timed out. Error context: %1.

12348

VSS

Volume Shadow Copy Service warning: VSS was denied access to the root of volume %1. Denying administrators from accessing volume roots can cause many unexpected failures, and will prevent VSS from functioning properly. Check security on the volume, and try the operation again. %2

Related Management Information

Volume Shadow Copy Service

File Services

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