C&C Generals to play online Help

Can someone tell me why I get this problem and how I can fix it??

I can play Command and Conquer Generals online quite fine, but it is Command and Conquer Generals Zero Hour that is giving me the “Unable to establish a connection with Command and Conquer Generals Zero Hour servers. Please check your internet connection.” message. Isn’t it supposed to be when one of the Generals games works, the other should?

Email Address- zinger_1992@msn.com
AIM IM Address- dazinger92

Sorry, but this has nothing with Alcohol.

Please take this converstion to the Games Forum as it has nothing to do with Alcohol software. Thankyou.