JFusion to integrate Elgg with Joomla CMS

Hello friends
I try to use JFusion to integrating Elgg with Joomla. I configured Joomla first as master and used the wizard to configure Elgg and found database setup wizard and everything went well but Elgg was not configured as slave. now I end up in first page of my Elgg every time I press the "configure
plugins" button in Cpanal and thus impossible to synchronize users.
Questions: how can I possibly manually make Elgg as a slave?
Does anyone know how I can make Elgg as slave manually?