Hey mike. I have the exact same problem as you in HL.
I'm currently troubleshooting this in my off time. If I find a solution, I'll PM ya'. I only ask you do the same for me. This is frustrating because the only time I get to play DW multi-play now is when I drive 120 miles to one of my Bay area friends' house. Whatta drag.
Hey Kapitain........any luck yet????
Sea Demon