How do I get NWN multiplayer to work?

[crackerboy2]

I do this all
Host , update to version 1.20 (hope is not wrong) and than
deviances 1.19 .exe

But when i want join cracked server on Gamespy
first comes a black screen (gamestart) and than im back to desktop Win XP

So why i cant join the games??

and is possible to make a server which i can play self?

and how i play in privat LAN ?