Quote Originally Posted by dodgeboard.com View Post
yes.

But first you have to get both of them at the same version. Then use Impex to merge them into one forum.

http://www.vbulletin.com/docs/html/impex_uploadpackage
are you sure? I've merged vb 2.x databases with the current vB version just fine

I would update your target forum to the latest, then just import the source (doesn't have to be the latest version)