We have a configuration consisting of 2 JBoss instances (unclustered) and one database. Each instance runs the same application. The application includes an MDB. Is it possible for each JBoss instance to use the same DB tables for messaging queues? Would there be a risk that messages would be processed twice as they're take from the queue? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4172836#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...