Is there a way to hide the applet from the notification area for all users except Domain Admins logged into the RDS box?
It’s impossible to keep it closed (every restart will boot up the tray app again). However, it’s possible to close (Exit) the Tray application while you are logged on.
2What context does the service run under
Local system account. VEB runs per machine and not per user, so it's makes no differences on who is currently logged in.