Just to clarify here are some snipits of a log that show the problem. Install 2 virgin copies of Jboss on separate nodes. Then bring up the first node with the all configuration (run.bat ?c all). Note that is elected the Master 2007-09-24 06:48:09,718 DEBUG [org.jboss.ha.singleton.HASingletonController] partitionTopologyChanged, isElectedNewMaster=true, isMasterNode=false, viewID=-35945124 2007-09-24 06:48:09,718 DEBUG [org.jboss.ha.singleton.HASingletonController] startNewMaster, isMasterNode=false 2007-09-24 06:48:09,718 DEBUG [org.jboss.ha.singleton.HASingletonController] startSingleton() : elected for master singleton node 2007-09-24 06:48:09,718 DEBUG [org.jboss.ha.singleton.HASingletonController] Calling operation: deploy(file:/C:/JBoss/jboss-4.2.1.GA/server/all//deploy-hasingleton), on target: 'jboss.system:service=MainDeployer' ? it then created the queues for example 2007-09-24 06:48:10,484 DEBUG [org.jboss.system.ServiceCreator] About to create bean: jboss.mq.destination:service=Queue,name=A with code: org.jboss.mq.server.jmx.Queue 2007-09-24 06:48:10,499 DEBUG [org.jboss.system.ServiceCreator] Created bean: jboss.mq.destination:service=Queue,name=A 2007-09-24 06:48:10,499 DEBUG [org.jboss.system.ServiceController] recording that jboss.mq.destination:service=Queue,name=A depends on jboss.mq:service=DestinationManager 2007-09-24 06:48:10,499 DEBUG [org.jboss.system.ServiceConfigurator] considering DestinationManager with object name jboss.mq:service=DestinationManager ? now bring up the second node. The log on the original node records the following: 2007-09-24 07:37:55,512 INFO [org.jboss.ha.framework.interfaces.HAPartition.lifecycle.DefaultPartition] New cluster view for partition DefaultPartition (id: 1, delta: 1) : [127.0.0.1:1099, 127.0.0.1:1099] 2007-09-24 07:37:55,527 DEBUG [org.jboss.ha.framework.interfaces.HAPartition.DefaultPartition] membership changed from 1 to 2 ? followed by 2007-09-24 07:37:56,840 DEBUG [org.jboss.system.BarrierController] Saw 'stop' handback, stopping barrier 2007-09-24 07:37:56,840 DEBUG [org.jboss.system.ServiceController] stopping service: jboss.ha:service=HASingletonDeployer,type=Barrier 2007-09-24 07:37:56,840 DEBUG [org.jboss.system.ServiceController] stopping dependent services for: jboss.ha:service=HASingletonDeployer,type=Barrier dependent services are: [] ? and by 2007-09-24 07:37:56,855 DEBUG [org.jboss.system.ServiceController] stopping service: jboss.mq.destination:service=Queue,name=A 2007-09-24 07:37:56,855 DEBUG [org.jboss.system.ServiceController] stopping dependent services for: jboss.mq.destination:service=Queue,name=A dependent services are: [] 2007-09-24 07:37:56,855 DEBUG [org.jboss.mq.server.jmx.Queue.A] Stopping jboss.mq.destination:service=Queue,name=A 2007-09-24 07:37:56,855 INFO [org.jboss.mq.server.jmx.Queue.A] Unbinding JNDI name: queue/A 2007-09-24 07:37:56,871 DEBUG [org.jboss.mq.server.JMSDestinationManager] Closing destination QUEUE.A 2007-09-24 07:37:56,871 DEBUG [org.jboss.mq.server.jmx.Queue.A] Stopped jboss.mq.destination:service=Queue,name=A View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4089651#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...