BuddyPress.org

You should ask johnjamesjacoby about this migrate issue. He’s done something like that recently. I think the answer is you need to export your data, using phpmyadmin or with the native export/import tool in wp.

http://www.techtraction.com/2007/07/30/move-or-backup-wordpress-data-with-the-built-in-importexport-feature/

Lots of stuff if you google ‘wordpress export’, ‘wordpress import’