Exchange backup fails with an error V-79-57344-34070 - AOFO Initialization failure

Problem

Exchange backup fails with an error "AOFO Initialization failure".

Error Message

Error in Job Log :

V-79-57344-34070 - AOFO: Initialization failure on: "Microsoft Information Store". Advanced Open File Option used: Microsoft Volume Shadow Copy Service (VSS).

Snapshot provider error (0xE0008516): Resources specified for snapshot do not have any valid data on them. Check if files were deleted or renamed.

Cause

Exchange writer or the Exchange Replica writer is missing or in error state.

Solution

          If the Exchange writer is missing:

  1. Reboot the Exchange server and retry the backup job.
     

    In a DAG environment :
  1. If the Exchange Replica Writer has errored out, check the event viewer for the VSS errors on the respective Exchange Node.
     
  2. Reboot the Exchange server and if problem persists, contact Microsoft support for further assistance.
 

Applies To

Backup Exec 2010 R3

Windows Server 2008 R2

Exchange 2010

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