It mostly depends on what portlet you put on your pages and the number of connected users. You can have zillion of portals if you have few visits. If you need scalability JBoss Portal is designed with clustering in mind, add a box and you can support more users (again, it's utopic to give you numbers it mostly depends on the portlets you run) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4050398#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...