i have windows 2008 dedicated server... iis 7 now i mapping the site and run the site then i see this type of error i have all site develop in DOtnet 500 - Internal server error. There is a problem with the resource you are looking for, and it cannot be displayed.
Check your http error logs. (On Windows 2003, http error logs are stored in Logfiles folder which is in system32 folder. I am not sure about Windows 2008 server).