I know a lot of guys have had problems with dedicated servers not being able to get past the video card check for Joint Ops.....
there is a way of overcoming this..
There's a prog that will emulate T&L for some cards that don't support it.
this probably works best for people who want to just host , as opposed to "host & play". if u try to play as well u might find too much graphic lag.
S if you want it you can visit the developers site
http://www.tommti-systems.com/
Or if you can't read German I've added it to the download section of the *f site,
CLICK HERE