Hi, The adapter was installed as I can see the following entries through jmx-console: : : name=cicseci,service=ConnectionFactoryBinding name=cicseci,service=ManagedConnectionFactory name=cicseci,service=ManagedConnectionPool name=cicseci,service=TxCM : : The CICS resource adapter that I am using come with IBM CICS Transaction Gateway (CTG) V5. I have tried to use the adapter that comes with IBM CTG V4 on JBOSS 4.x and I can connect to the host without any problem. Can the problem be related to the adapter ? Seow View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3994094#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...