<container-configurations> <container-configuration extends="Standard Message Driven Bean"> <container-name>MDB-RBB</container-name> <container-pool-conf> ..maximumsize..6../maximumsize.. ..strictMaximumSize..true../strictMaximumSize.. </container-pool-conf> </container-configuration> </container-configurations> replaxe .. with < and > View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4132134#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...