You could also use the JAVA_OPTS in the bin/run.conf, which is maybe easier to find. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4136587#4136587 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4136587