PROBLEM
If you start using \"Microsoft Internet Information Services Express (IIS)\" from \"Microsoft Visual Studio (VS)\" you may get when you run
Worked for me in VS2003 and VS2017 on Windows 8
Run the command in CMD with admin rights
netsh http add iplisten ipaddress=::
Then go to regedit path [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTTP\Parameters] and check if the value has been added.
For more details check https://www.c-sharpcorner.com/blogs/iis-express-failed-to-register-url-access-is-denied