Bottom line: Veeam Backup for Microsoft 365 has an issue that can cause data loss in SharePoint, OneDrive, and Teams, endangering recovery plans.
Veeam Backup for Microsoft 365 and Veeam Data Cloud for Microsoft 365 exhibit an issue that can lead to data loss in SharePoint, OneDrive, and Teams. For CISOs, this is a critical concern in the backup and recovery strategy.
Users and administrators of Veeam Backup for Microsoft 365 as well as Veeam Data Cloud for Microsoft 365 should be aware of a known issue in the software. According to user reports, an error occurs that can cause data loss when backing up SharePoint, OneDrive, and Teams.
For organizations, this means that backup copies of these critical collaboration tools may be faulty or incomplete and cannot be used for recovery in an emergency. This directly contradicts the purpose of the backup solution and jeopardizes the data protection strategy in the Microsoft 365 environment.
CISOs should review their Veeam deployments, identify affected versions, and promptly obtain information on available fixes. In parallel, alternative recovery scenarios should be validated to ensure that critical data is not left unprotected.
Source: borncity.com · Published June 5, 2026
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