[*]I joined mine to my AD, and it was fairly straightforward. My only minor headache is that I had to remove the computer account from the domain from back in the day when I tried adding it to AD and remove it again for some reason, but that's all my fault. [*]It should stay joined to AD after a reboot, mine does. [*]The web UI on my server is probably 5x slower after joining to AD, but I don't see any reason it should be. I corrected a few minor setup problems when I did the upgrade to the