I hang out pretty often at http://forums.iis.net One category that has seemed to cause issues with IIS7 is trying to migrate Classic ASP apps. There is an entire forum with pretty much all the answers. Here is the link
http://forums.iis.net/1044/ShowForum.aspx Soooo, when you are having issues with Classic ASP and IIS7, check out this forum, I bet the answer is already there.
Steve
Pondering Thought 
Google -> this page -> that forum -> great advice in an instant. Thanks a ton đ
LikeLike