I doubt you can access the SAP jndi server using jnp? jnp is the jboss jndi protocol name. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4196899#4196899 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4196899