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    Exchange Hybrid Must Move EWS to Graph by Apr 2027 (Hotfix May 2026)

    Microsoft is now telling Exchange Server Subscription Edition hybrid customers that, by October 2026 and no later than April 2027, they must install the May 2026 hotfix or newer and move rich coexistence calls from Exchange Web Services to Microsoft Graph. This is not a cosmetic plumbing change...
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    • ews retirement exchange hybrid exchange server subscription edition microsoft graph
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    • Forum: Windows News
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