With Windows Server 2012 it was possible to use an application running on the Interactive Service Desktop. The service was configured to "Allow service to interact with desktop".
Starting the "Interactive Service Detection" service I was able to switch to the interactive desktop and to use the application GUI. (Trouble with interactive service on Windows Server 2012 is already fixed.)
Now, on Windows Server 2016, the Interactive Service Desktop does not work anymore as expected. Different test system have different behaviors: Either the Interactive Desktop is simply black or the application GUI is visible but cannot be used (no mouse no keyboard).
I guess, it is not allowed anymore to control the application, you can just view it.
Is there any setting (registry or similar) to allow full application interaction on Windows Server 2016 in Interactive Service Desktop?