anonymous wrote : a) don't allow any overrides on the connection factory. The user would have to provide a new ra.xml file for each configuration. This is how 1.4 works and would mean removing cleberts changes, however would still be a problem with lots of MDB;s sharing a CF. Multiple ras for multiple connections are not acceptable IMO. With 1.4, you had a way to specify another CF JNDI. You probably just need to have the CF at the ra level created lazily (I thought it already was). You could have two Beans, or two jms-ds.xml deployed, one overridden, one at the ra level. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4239757#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...