The original question was about IPC between portlets in different applications. You have answered YES and I don't see how two portlets in different virtual portal can exchange events by the exposed mechanism which by the way I am using in my own application without problems. Reading your words makes me feeling I am an idiot, I was just curious. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4103336#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...