Phenomenon: When creating a new web site on windows 2003 IIS the specified IP address cannot be selected
Solution: Open the registry and find HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\ In the Control\\ComputerName\\ActiveComputerName item set the value of
in it to be the same as the computer name in the 'My Computer' property and then restart the system and then go to the settings.