redirect all forum link

[cmboss]

im using vbulletin forum and  in past i used a coded to redirect my old forum to new one using .htaccess redirect code

how can i  redirect my entire forum entire links i know its easy to redirect domain root from .com to .net but vbulletin forum has so many sections and topics
right now im using this redirect code in my .htaccess file

Options +FollowSymLinks
RewriteEngine on
RewriteRule (.*) http://www.newdomain.com/$1 [R=301,L]

but it redirect only my domain root and not redirecting the sections

please help to know how can i redirect complete forum links

NOTE : Old and new domain are hosted in different hosting server

[damponting44]

To make a forum redirect to another location,
enter the URL to the destination you wish to redirect to.
Entering a URL in this field will remove the forum functionality;
however, permissions can still be set for it.