Operational Defect Database
BugZero found this defect 1193 days ago.
Data sources
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Veeam | kb4103
Veeam Backup for Microsoft 365 retention policy miscalculation causing data loss
Last update date:
2/17/2021
Affected products:
Veeam Backup for Microsoft 365
Affected releases:
5.0
Fixed releases:
No fixed releases provided.
Description:
Challenge
When you have deployed Veeam Backup for Microsoft 365, use snapshot-based retention and storing data on a Jet Database-based repository then your solution might mistakenly remove restore points of Exchange data that are still valid. This applies to versions 5.0 Day 0 Update and earlier down to version 3.0 GA. Version 5.0 5.0.0.1063 5.0.0.1061 Version 4c 4.0.1.612 4.0.1.545 4.0.1.531 Version 4b 4.0.0.2549 4.0.0.2516 Version 4a 4.0.0.1580 4.0.0.1553 Version 4.0 4.0.0.1345 Version 3 3.0.0.422 You can check your current build number by clicking Help and Support > About in the main menu of the Veeam Backup for Microsoft 365 console.
Solution
If you are running version 5.0 GA please upgrade to version 5b or wait for the hotfix we are preparing. If you are running version earlier than 4c please upgrade to version 5b or upgrade to version 4c first and install cumulative patch KB4099.
More information
If you believe you are impacted by this issue, please contact support.
