hi howard, the clients are not MDB's. just normal subscribers running in the same VM. regards roelof View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4261179#4261179 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4261179