Avamar: Avamar backup of Exchange fails with error: avexvss Error <8801>: ERROR: Win32 call L"CreateFile" failed.

Summary: Avamar: Avamar backup of Exchange fails with error: avexvss Error <8801>: ERROR: Win32 call L"CreateFile" failed.

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Symptoms



- Avamar VSS Plug-in for Exchange 7.2.1
- Exchange 2007 CCR cluster client

Exchange backup is failing with error: avexvss Error <8801>: ERROR: Win32 call L"CreateFile" failed.

Relevant portion of the logs: 
2016-11-21 23:05:53 avexvss Error <8801>: ERROR: Win32 call L"CreateFile" failed.
2016-11-21 23:05:53 avexvss Error <19214>: Error validating backup log file history: 0x80070005
2016-11-21 23:05:53 avexvss Error <13077>: Unable to complete backup.
2016-11-21 23:05:53 avexvss Info <9772>: Starting graceful (staged) termination, Exiting main body (wrap-up stage)
2016-11-21 23:05:53 avexvss Info <7753>: Exit main body...




 

Cause

The "EMC Avamar Exchange 2007 Backup Agent for <Cluster_Name>" service is set to start with the 'NT SYSTEM' account

This account does not have the necessary rights to perform API calls/backup operations of clustered Exchange Databases.

Resolution

- On each Exchange Server, member of the cluster, execute the command "services.msc"
Set "EMC Avamar Exchange 2007 Backup Agent for <Cluster_Name>" service to start on behalf of the Avamar Backup User

- On each Exchange Server, in Failover Cluster Manager, find "EMC Avamar Exchange 2007 Backup Agent for <Cluster_Name>", right-click and bring the service offline and then back online

Affected Products

Avamar

Products

Avamar, Avamar Client, Avamar Plug-in for Exchange VSS
Article Properties
Article Number: 000063101
Article Type: Solution
Last Modified: 05 Mar 2025
Version:  4
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