Damn it, i found the crack.
Filesize is +/- 2Mb, save games work fine, multiplayer as well (tried Zombieland).
This is the link:
ftp://ftp.game-exe.ru/lair/nwn/nocd/nwn123.zip
This is the page:
http://www.playground.ru/cheats/706/
it's in Russian so translate in Altavista or something.
i havent's searched for the lan fix but it should be there as well.
if you have problems post here.