Hey I have a problem. It startet when I made a website in asp.net framwork 4.0 and put it out on a server, then the webmail stoped working, it came with a 404 error. I have now installed a new server and made som test, and I found out that it wase when I set it as framework 4.0 it whent wrong, it have bean on iis forom (http://forums.iis.net/p/1185227/2008941.aspx#2008941). I have tryed to set "myurl.com/Exchange" to framework 1.1 and "myurl.com" to framework 4.0 and it don't work, but when I set "myurl.com" to framework 1.1 it works. it is running on a Small Buisnes 2003 server and the webpage is the default web sit. How can I make it work ?

Hey, Since the problem happened on SBS 2003, I suggest you submit to SBS support forum. You can get more effective help there. This is the link for your convenience: http://social.technet.microsoft.com/Forums/en-US/category/sbsserver Thanks.Rowen TechNet Community Support