I am able to get a desktop connected with NoMachine if I use a barebones local user account. If I use my Active Directory login with sssd, it doesn’t work. So it could be something related to my AD user configuration, or something with sssd specifically.
This seems to be a different problem to the original one and we don’t understand how the two could be related without investigating further. This might warrant a separate topic so as not to confuse the thread. But first the original issue of not being able to create a display…
For some reason Gnome is failing and to understand why we would need to see the journalctl log of the server. Run (without the ‘grep’)
sudo journalctl -x