Today we are announcing the availability of Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for customer reported issues along with all previously ...
Updated Apr 21, 2022
Version 9.0
Blog Post
Nino_Bilic
Microsoft
Microsoftkwester-ebbinghaus-business Understood, but we have nothing to announce on that subject at this time. This is a separate subject and we fully understand that there has been lack of information.
Mukesh Srivastava Please check out linked documentation about this new management feature; there are very good reasons why the server cannot be uninstalled, but that does not mean it cannot be removed. 🙂 Too much to get into in the announcement blog post but I think Docs article covers it.
StanthewiZZard If by this you mean if you can in-place upgrade the OS under the running Exchange Server, then the answer is no; that is not supported (never was).
gjsigma This is an unsupported situation; the problem with uninstalling the last server is that it pulls out AD objects that are needed for management via PowerShell. We have not validated this scenario but likely it involves creating a new organization (starting from scratch) using the same organization name. Note again, this is not a scenario that we support.