Operational Defect Database

BugZero found this defect 323 days ago.

Veeam | kb4453

Impact of Microsoft EWS Deprecation on Microsoft Teams backup

Last update date:

6/1/2023

Affected products:

Veeam Backup for Microsoft 365

Affected releases:

ALL

Fixed releases:

No fixed releases provided.

Description:

Challenge

Due to a recent change deprecating an earlier API (EWS), backups of Microsoft Teams may complete with a "Success" status, while no new channel posts were backed up.

Solution

As it was announced before, Microsoft is deprecating the ability for EWS APIs to access the TeamsMessagesData folder.  In order to resume backup functionality, you must accept Microsoft's Terms of Service for the newer Graph Export API for Teams. Please review KB4322 and take the prescribed actions to ensure all Teams data including channel posts is protected.

More Information

Microsoft Devblog: Restricted access to Microsoft Teams data via EWS starts January 31, 2023 Veeam KB4322: How to request access to Microsoft Graph Teams Export APIs Veeam KB4340: How To Configure Veeam Backup for Microsoft 365 to Use Microsoft Graph Export API for Teams

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Status

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