http://www.icewalk.com/doclib/howto...dure.html#AEN35
Take a look at this link and follow it step by step and make sure every thing you have is setup the same and it should work.
My problem with this HowTo had nothing to do with RH7.2 it was because when I upgraded from 7.1 I had gnome as my defualt xdm, which is what this HowTo uses. When I upgraded I desided to try KDE, which uses kdm. So if you want to use this HowTo make sure to have gnome as your defualt