Agent Backup Job Fails With "Veeam Backup and Replication version is not compatible with Veeam Agent for Windows"
| KB ID: | 4486 |
| Product: |
Veeam Backup & Replication | 11 | 12 | 12.1 | 12.2 | 12.3 | 12.3.1 | 12.3.2 | 13 | 13.1 Veeam Agent for Microsoft Windows | 5.0 | 6.0 | 6.1 | 6.2 | 6.3 | 6.3.1 | 6.3.2 | 6.3.3 | 13 | 13.1 |
| Published: | 2023-09-01 |
| Last Modified: | 2023-09-01 |
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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
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:
The Veeam Backup & Replication server and components should always be upgraded before Veeam Agent for Windows to maintain compatibility.
If this KB article did not resolve your issue or you need further assistance with Veeam software, please create a Veeam Support Case.
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