Yeah, I already have this code "DirectoryIndex Forum-The-Lounge.html index.php" at the top of my .htaccess
closed as too localized by John Conde♦ Feb 17 at 15:59
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You can do a redirect in your .htaccess file with the Redirect directive.
If this is a permanent change then put
Are you trying to redirect visitors to a new forum you setup? If so why not use php header() or meta refresh.
You can't redirect by setting a new DirectoryIndex file. Maybe if you set your root folder to that and left your Directory Index to index.php but i'm not sure what else you have in your .htaccess.