Hi, alexanders. It's a good idea to use HTTP for rmi invocations to enable kerberized authentication. If you have problems with HTTPInvoker, so here is my config: | path: JBOSS_HOME/server/default/deploy/http-invoker.sar/META-INF/jboss-service.xml | | <mbean code="org.jboss.invocation.http.server.HttpInvoker" | name="jboss:service=invoker,type=http"> | <attribute name="InvokerURLPrefix">http://</attribute> | <attribute name="InvokerURLSuffix">:8080/invoker/EJBInvokerServlet/</attribute> | <attribute name="UseHostName">true</attribute> | </mbean> | And you'll find in docs how to customize invoker for ejb. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4221206#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...