A JMX notification will always be emitted; the interesting question is when will it be heard? The JMX spec should explain all this. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3985255#3985255 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3985255