Event ID 12377 — VSS Shadow Copy Provider Operations

Updated: January 27, 2011

Applies To: Windows Server 2008 R2

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Volume Shadow Copy Service (VSS) providers manage running volumes and create shadow copies of them on demand.

Event Details

Product: Windows Operating System
ID: 12377
Source: VSS
Version: 6.1
Symbolic Name: VSS_ERROR_HW_MISSING_LUN_RESYNC_RESTART
Message: The following destination LUN could not be restarted after the LUN resynchronization operation. Retry the operation.

LUN ID %1

Version %2
Device Type %3
Device TypeModifier %4
Command Queueing %5
Bus Type %6
Vendor Id %7
Product Id %8
Product Revision %9
Serial Number %10

Storage Identifiers
%11

%12

Resolve

Check the operation of the VSS hardware providers

This event indicates that a destination LUN could not be located or could not be restarted.

Possible resolutions include:

  • Open Event Viewer and check for events related to Volume Shadow Copy Service (VSS) that mention hardware providers.
  • Ensure that VSS hardware providers are operating properly.

To perform these procedures, you must have membership in Administrators, or you must have been delegated the appropriate authority.

Open Event Viewer and check for events related to VSS hardware providers

To open Event Viewer and check for events related to VSS hardware providers:

  1. Click Start, click Run, type eventvwr.msc, and then click OK. If the User Account Control dialog box appears, ensure that the action it displays is what you want, and then click Continue.
  2. In Event Viewer, expand Windows Logs, and then click Application.
  3. To filter the events so that only events with a Source of VSS are shown, in the Actions pane, click Filter Current Log. On the Filter tab, in the Event sources drop-down list, select the checkbox for VSS. Select other options as appropriate, and then click OK.
  4. To sort the displayed events by date and time, in the center pane, click the Date and Time heading.
  5. Make a note of any events that mention VSS hardware providers.
  6. Contact Microsoft Customer Service and Support. For more information, see http://go.microsoft.com/fwlink/?LinkId=102491. You should provide the entire event log message as it appears in the Event Viewer.

Ensure that VSS hardware providers are operating properly

To ensure that VSS hardware providers are operating properly:

  1. Open an elevated Command Prompt window. Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
  2. Type diskshadow at the command prompt, and then press Enter.
  3. Type list providers, and then press Enter.
  4. If a provider is missing from the list, try reinstalling it.
  5. For each provider in the list, use the DiskShadow tool's add and create commands to create a shadow copy of the volume for which the provider is responsible. If a provider is unable to create a shadow copy, contact the provider vendor if it is not Microsoft. If a Microsoft provider is unable to create the shadow copy, contact Microsoft Customer Service and Support. For more information, see http://go.microsoft.com/fwlink/?LinkId=102491. You should provide the entire event log message as it appears in the Event Viewer.

For more information about the DiskShadow tool, including usage examples, see http://go.microsoft.com/fwlink/?LinkID=117722.

Verify

To verify that the Volume Shadow Copy Service (VSS) providers are operating correctly, retry the previous operation.

Related Management Information

VSS Shadow Copy Provider Operations

File Services

Community Additions

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