Hi, you must put the jboss-seam-ui.jar into the WEB-INF/lib in your war-file. Regards Marco View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3989369#3989369 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3989369