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    May 2026 Exchange Server SE Hotfix: Move Hybrid Rich Coexistence from EWS to Graph

    Microsoft released the May 2026 Hotfix Update for Exchange Server Subscription Edition in early May 2026, delivering optional non-security functionality that lets supported hybrid deployments begin moving rich coexistence traffic from Exchange Web Services to Microsoft Graph API calls. This is...
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    • ews retirement exchange server se hybrid exchange microsoft graph
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    • Forum: Windows News
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