Dear Autoexec Friends,
I am writing this post in English since the experience describes an error found in very recent products of Microsoft and it might help other people around the globe with the same issue.
The story begins with a working and healthy installation of Exchange Server 2016 CU3 on a Windows Server 2016. The Exchange was configured with all available roles and it was part of an AD running on a different Windows Server.
After a nice CU11 upgrade which worked like a charm updating the Exchange to the latest version, the virus of upgrading to the Exchange Server 2019 was co