I have using RadAjaxManager.Redirect("url") to redirect a page within the server. This is work well in Window 7 and Windows server 2008. When I try to run this code in window 2003, it not work. I change it to response.redirect, it work in window 2003 but not work in windows 7 and window server 2008. Any idea why this happen and how i can solve it? Please help.