Or simply: jboss42.home=c:/app/jboss-4.2.1.GA Ant does not care which directory separator you use. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4097939#4097939 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4097939