Veeam Support Knowledge Base
Veeam Agent for Microsoft Windows Backup Session Failure is Reported as Successful

Veeam Agent for Microsoft Windows Backup Session Failure is Reported as Successful

KB ID:	4515
Product:	Veeam Backup & Replication \| 12
Published:	2023-12-05
Last Modified:	2024-01-03

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Challenge

In certain rare circumstances, a failed backup retry session for a Veeam Agent for Microsoft Windows job operating in Managed by backup server mode may be reported as a Success.

Impacted Configuration

Veeam Backup & Replication 12 (build 12.0.x) Deployed.
Veeam Agent for Microsoft Windows operating in Managed Mode
Veeam Agent for Microsoft Windows job configured within Veeam Backup & Replication using Managed by backup server mode.
Unstable network connection, which may cause backup job failures.

Potentially affected jobs will be listed in the Veeam Backup & Replication Console under Jobs > Backup section, as the job type "Windows Agent Backup."

Example

Note how it states that the retry was successful despite having processed no data.

Note how the report shows the retry overall as having an error but the individual subtask of the retry as a "Success" despite having processed no data.

Solution

This issue was resolved in Veeam Backup & Replication 12.1.

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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