Hi I am using jboss-4.0.4.GA for JBoss Messaging. If any other server is started ,it automatically joins the cluster environment. I want to disable the joing of new server with my server( Server on which JBoss Messaging is running). Please tell me a way to disable to cluster participation of JBoss App Servers. I have pasted the log which i get when another Jboss Server pariciaptes the cluster 14:00:47,626 INFO [DefaultPartition] Suspected member: ABC044690:2301 (additional data: 19 bytes) 14:00:47,626 INFO [DefaultPartition] New cluster view for partition DefaultPartition (id: 39, delta: -1) : [192.168.251.101:1099] 14:00:47,658 INFO [DefaultPartition] I am (192.168.251.101:1099) received membershipChanged event: 14:00:47,658 INFO [DefaultPartition] Dead members: 1 ([192.168.251.36:1099]) 14:00:47,658 INFO [DefaultPartition] New Members : 0 ([]) 14:00:47,658 INFO [DefaultPartition] All Members : 1 ([192.168.251.101:1099]) 14:03:17,706 INFO [DefaultPartition] New cluster view for partition DefaultPartition: 40 ([192.168.251.36:1099, 192.168.251.101:1099] delta: 1) 14:03:17,706 ERROR [NAKACK] sender at index 1 in digest is null 14:03:17,738 INFO [DefaultPartition] Merging partitions... 14:03:17,738 INFO [DefaultPartition] Dead members: 0 Please do reply me back View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4022319#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...