This is driving the whole team crazy. There must be some simple mis-configured part of IIS or our Web Server, but every time we try to run out ASP.NET Web Application on IIS
Windows 7
Try this,
run cmd as Admin.
Unistall all iis.
start /w pkgmgr.exe /uu:IIS-WebServerRole;WAS-WindowsActivationService
Reinstall iis and normaly it's work
Alain