Session
Transitioning from EWS to MS Graph: Ensuring Secure and Seamless Exchange Hybrid Coexistence
Exchange Web Services (EWS ) is a well-aged legacy technology. Back in the day, EWS was a state-of-the-art solution. But nowadays, it is a security risk. With EWS being deprecated in October 2026, you must switch to MS Graph. Otherwise, rich coexistence will break.
The journey to MS Graph-based comes with multiple steps to perform. And you should have taken the first step before October 2025.
In this session, you'll learn about the Exchange Hybrid security enhancements for rich coexistence features and how you prepare your Exchange Servers for the deprecation of Exchange Web Services in Exchange Online.
Thomas Stensitzki
MVP, MCT, Author, Blogger - Granikos GmbH & Co. KG
Düsseldorf, Germany
Links
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