there's a lot in the configuration guide about that. Basically you have to provide a (or more if you have multiple databases) xxx-ds.xml files in the deploy directory, and associated jar files for the drivers in the lib directory of the server (xxx/server/default/lib and xxx/server/default/deploy for example). See also the wiki for detailed examples for many common (and not so common) database engines. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4139911#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...