OPERATIONAL DEFECT DATABASE
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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.
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.
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.
For a list of compatible Veeam Agent versions by Veeam Backup & Replication release, review the following: Supported Veeam Agents by Veeam Backup & Replication Latest Version Supported Veeam Agents by Veeam Backup & Replication 12 Supported Veeam Agents by Veeam Backup & Replication 11/11a
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