Agent for Windows backup session is reports success but backup fails

KB ID: 4247
Product: Veeam Backup & Replication | 9.5 | 10
Veeam Agent for Microsoft Windows
Published: 2021-12-09
Last Modified: 2021-12-16
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Challenge

In certain rare circumstances, backup jobs for Windows Machines using "Mode: Managed by backup server" may mark a result as Success, although the job fails because of the network interuption.

 
Impacted Configurations:

  • Backup & Replication version 9.5 or 10
  • Veeam Agent for Microsoft Windows operating in Managed Mode
  • Windows Agent backup job configured within Veeam Backup & Replication using Managed by backup server mode;
  • Unstable network connection which may cause backup job failures

The affected job type can be identified in the Veeam Backup & Replication console as having the Type "Windows Agent Backup."

Example:

Example of job type

Solution

The issue documented on this article was corrected in Veeam Backup & Replication v11.

Upgrade Veeam Backup & Replication to the latest version

Should you have any concerns about existing backups, please, reach out to Veeam Technical Support.

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