Log Report
Template Windows Event Log
Log Name Application
Type Error
Source VSS
Event ID 12289
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Description
Log Name:      Application
Source:        VSS
Date:          6/25/2010 7:59:43 AM
Event ID:      12289
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      WAWIWS99
Description:
Volume Shadow Copy Service error: Unexpected error VSS_E_WRITER_STATUS_NOT_AVAILABLE. An older active writer session state is being overwritten by a newer session. The most common cause is that the number of parallel backups has exceeded the maximum supported limit.  hr = 0x80042409.

Operation:
   PostSnapshot Event

Context:
   Maximum supported sessions: 64
   Completed sessions: 8
   Active sessions: 64
   Aborted sessions: 0
   Writer failed sessions: 0
   New snaphot set: {24cd2579-3090-4106-9a35-28ec51b84db7}
   Old snapshot set: {31f93e4b-3061-4760-8854-6f2c28a1a98b}
   Old operation: 1014
   Old state: 1
   Old failure: 0
   Execution Context: Writer
   Writer Class Id: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0}
   Writer Name: WMI Writer
   Writer Instance ID: {3262896d-87cb-4282-9a93-32a36d9c8c0e}

Additional Information