Following links might help you on understanding about IIS7 and ASP.Net - by the way let me tell me there is no such relation with windows 2008
Understanding Sites, Applications, and Virtual Directories in IIS 7.0 - http://ashishkhandelwal.arkutil.com/?p=502 Creating IIS7 sites, applications, and virtual directories - http://ashishkhandelwal.arkutil.com/?p=493 Understanding the Built-In User and Group Accounts in IIS 7.0 vs IIS 6.0 - http://ashishkhandelwal.arkutil.com/?p=489
