Unable to connect to Remote mech

i am facing one problem , here in my office i have installed vmware on redhat linux EL.i need to connect to the windows xp ( which we installed as virtual mechine)through remote dektop from my branch office. here we are using RAS for Connectivity, i can connect to the Linux server from my branch office through RAS , but i am unable to connect to win xp through remote desktop ,pls help me and sedn the details to tis forum or just mail me to talk2thambu@yahoo.com