"PeterJ" wrote : If I understand this correctly, you have two installations of JBoss AS, one at c:\jboss and the other at c:\jboss1. For both services, you are running the "default" configuration in their respective installations. That should work, provided that each uses its own port or host binding. For more information, see http://wiki.jboss.org/wiki/Wiki.jsp?page=ConfiguringMultipleJBossInstance.... Now i can run two jboss but iam getting this error on first (c:\jboss) server lo : jboss.mq:service=InvocationLayer,type=JVM dependent components: [] 2007-09-11 14:34:48,512 DEBUG [org.jboss.system.ServiceController] starting service jboss.mq:service=InvocationLayer,type=UIL2 2007-09-11 14:34:48,512 DEBUG [org.jboss.mq.il.uil2.UILServerILService] Starting jboss.mq:service=InvocationLayer,type=UIL2 2007-09-11 14:34:48,512 DEBUG [org.jboss.mq.il.uil2.UILServerILService] Starting failed jboss.mq:service=InvocationLayer,type=UIL2 java.net.BindException: Address already in use: JVM_Bind at java.net.PlainSocketImpl.socketBind(Native Method) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4083151#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...