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Volume Shadow Copy Service Operations

Updated: January 27, 2011

Applies To: Windows Server 2008 R2

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

11

VSS

Volume Shadow Copy Service information: The COM Server with CLSID %1 and name %2 cannot be started. Most likely the CPU is under heavy load. [%3] %4

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

20

VSS

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

38

VSS

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

39

VSS

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

8193

VSS

Volume Shadow Copy Service error: Unexpected error calling routine %1. hr = %2. %3

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

8212

VSS

Volume Shadow Copy Service: Writer with name %1 and ID %2 attempted to subscribe during setup. %3

8219

VSS

Ran out of time while expanding file specification %1\%2. This was being done for the %3 subscriber. %4

8220

VSS

Ran out of time while deleting files. %1

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

8228

VSS

Fail to parse XML file.
Reason %1
Line %2
Position %3
Errorcode %4
Problem text %5
%6

12289

VSS

Volume Shadow Copy Service error: Unexpected error %1. hr = %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

12305

VSS

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

12338

VSS

Volume Shadow Copy Error: VSS spent more than %1 seconds trying to open and flush all the volumes in the shadow- copy set. This caused volume %2 to timeout waiting for the hold-writes phase of shadow-copy creation. Trying again when disk activity is lower may solve this problem. %3

12347

VSS

Volume Shadow Copy Service error: An internal inconsistency was detected in trying to contact shadow copy service writers. The Registry Writer failed to respond to a query from VSS. Check to see that the Event Service and Volume Shadow Copy Service are operating properly, and please check the Application event log for any other events. %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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