Microsoft EWS to Graph API migration

Microsoft is deprecating the Exchange Web Services (EWS) API beginning October 1, 2026. To ensure continued service continuity and alignment with Microsoft's timeline, SaaS Protection of Exchange services has migrated to the Microsoft Graph API. (See this Microsoft article for details about the EWS deprecation timeline: Deprecation of Exchange Web Services in Exchange Online.)

Customer action required: reauthorize your M365 account

To continue running Exchange backups, you must reauthorize SaaS Protection's access to your M365 account by May 30, 2026. Reauthorize now as described in this article: Reauthorizing with the M365 Global Administrator.

NOTE  For client-managed organizations, instruct your client to run the reauthorization procedure in the Reauthorizing with the M365 Global Administrator article, available at the following link: https://saasprotection.datto.com/help/M365/index_CSH.htm#1029.