Agent Backup Job Fails With "Veeam Backup and Replication version is not compatible with Veeam Agent for Windows"
Challenge
After upgrading Veeam Agent for Microsoft Windows, the backup job fails to run and displays the error message:
Error: Managed session has failed: Veeam Backup and Replication version <version number> is not compatible with Veeam Agent for Windows.
Cause
This error occurs when the version of Veeam Agent for Microsoft Windows that was installed is incompatible with the version of Veeam Backup & Replication that is in use.
Solution
To resolve this issue, upgrade Veeam Backup & Replication to ensure compatibility with the latest version of Veeam Agent for Microsoft Windows.
Note: If upgrading Veeam Backup & Replication is not viable, please create a Veeam Support case to discuss other possible resolution paths.
More Information
For a list of compatible Veeam Agent versions by Veeam Backup & Replication release, review the following:
Upgrade Managed Agents from Veeam Backup & Replication Console to Ensure Compatibility
To ensure compatibility between Veeam Backup & Replication and Veeam Agents, it is recommended to only upgrade Veeam Agents from within the Veeam Backup & Replication Console.
The Veeam Backup & Replication server and components should always be upgraded before Veeam Agent for Windows to maintain compatibility.
The Veeam Backup & Replication server and components should always be upgraded before Veeam Agent for Windows to maintain compatibility.
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