yep I think you are right.....I found that user in server\default\deploy\hsqldb-ds.xml View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4255872#4255872 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4255872