Forum Discussion
Federation Trust in Hybrid Exchange
Hi, we have a Hybrid Exchange environment in 'Full Hybrid' configuration. The on-premises setup consists of one Exchange 2016 server. I noticed several recurring errors in the application log of...
Siegfried_Beitl1090
WIth modern Exchange Server (2013+) you do not use the classic federation model anymore. Instead you use Hybrid Modern Authentication (HMA) utilizing the Azure AD AppPrincipal configuration.
You can find more information on the required HMA setup here.
-Thomas