Symptoms
After you install the Cumulative Update 5 for Exchange Server 2019 or Cumulative Update 16 for Exchange Server 2016, you can't join Microsoft Teams meetings by using the Surface Hub devices.
Resolution
To fix this issue, install one of the following updates:
For Exchange Server 2019, install the Cumulative Update 7 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019.For Exchange Server 2016, install the Cumulative Update 18 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016.
References
Learn about the terminology that Microsoft uses to describe software updates.
