well, no crack needed for playing it online:
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First find your host file...Here are the locations
win9x/ME:
C:\WINDOWS\hosts or hosts.sam. If its hosts.sam edit it and save it as "hosts".
Win2K/XP:
C:\WINNT\SYSTEM32\DRIVERS
\ETC\hosts
add: 127.0.0.1 nwmaster.bioware.com into the host file save it
Load neverwinter nights go into multi just enter any name any password. It will sit for 30 seconds and give you an error saying some multiplayer features will be disabled..Push Ok
You can Now Play Lan Games or Join an Internet Game