vnc windows xp connection issues

Jennifer Westberg west4065 "at"
Thu Apr 8 00:42:00 2004

Here's my problem:
I can connect to computer A (compA) from computer B (compB) if compA (the server) adds compB (set up in listening mode) to its client list. I cannot, however, connect compB to compA using the 'standard' method.

Any suggestions?