therogueforums,
make sure that mod_rewrite is supported:
http://www.vbseo.com/f77/how-check-i...my-site-21502/
AtomicFPS,
if you have any files inside data/ folder, try to set 0666 permissions for them.
Sym0n,
put this to the top of forums/.htaccess:
Code:
RewriteEngine on
RewriteCond %{HTTP_HOST} !^domain\.net
RewriteRule ^(.*)$ http://domain.net/forums/$1 [R=permanent,L]