Exchange / File server backup fails with VSS Snapshot error. The Microsoft Volume Shadow Copy Service (VSS) snapshot provider selected returned: "Unexpected provider error"

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  • Article ID:000012261

Problem

Backup jobs fails with VSS Snapshot error. The Microsoft Volume Shadow Copy Service (VSS) snapshot provider selected returned: "Unexpected provider error". Ensure that all provider services are enabled and can be started. Check the Windows Event Viewer for details. when backing up certain volumes on a Windows 2008 server.

 

Error Message

Backup- SERVER - AOFO: Initialization failure on: "D:". Advanced Open File Option used: Microsoft Volume Shadow Copy Service (VSS).

V-79-10000-11226 - VSS Snapshot error. The Microsoft Volume Shadow Copy Service (VSS) snapshot provider selected returned: "Unexpected provider error". Ensure that all provider services are enabled and can be started. Check the Windows Event Viewer for details.

Backup - AOFO: Initialization failure on: "E:". Advanced Open File Option used: Microsoft Volume Shadow Copy Service (VSS).

V-79-10000-11226 - VSS Snapshot error. The Microsoft Volume Shadow Copy Service (VSS) snapshot provider selected returned: "Unexpected provider error". Ensure that all provider services are enabled and can be started. Check the Windows Event Viewer for details.

Application event Log Error:

Log Name:   Application
Source:    VSS
Event ID:   12293
Description:
Volume Shadow Copy Service error: Error calling a routine on a Shadow Copy Provider b5946137-7b9f-4925-af80-51abd60b20d5. Routine details EndPrepareSnapshots(67378ac7-29ab-44d4-b577-0cc1907b0215) [hr = 0x8000ffff]. 

 

Cause

This can be caused by Microsoft VSS not being registered properly with the system or the Shadow Copy Association for the Volume being corrupted or misconfigured.

 

Solution

  1. Right-click any local disk.
  2. Select Configure Shadow Copies.
  3. Highlight Volume with Volume name reporting the Exception in the Backup Job Log
  4. Click on Settings.
  5. Set the Maximum Size to No Limit.  

NOTE: If No Limit is already selected click Use Limit and accept the default size. Click OK then OK. Then go back in and set the Maximum Size to No Limit and click OK. OK.

    6.  Attempt the Backup Job

 

 

Applies To

Windows 2008 Server
Windows 2008 R2 Server

 

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