Hi all,
We have a hybride environment with exchange 2016 with the wright CU.
I did the steps for the oauth.
When i do the test from microsoft. https://testconnectivity.microsoft.com/
And choose the Teams Calendar Tab test. I get the error:
The user mailbox is marked as undiscoverable by the Teams middle-tier service.
But still im missing the calendar button in Teams.
Any help would hihly be appriciated.
