I am trying to do this and I am getting confused , what is the site idetifier they are talking about ?
Option 1: Set the UseHostName property
To set the UseHostName property, follow these steps:
Click Start, click Run, type cmd, and then click OK to open a command prompt.
Change to the folder where the Adsutil.vbs tool is located. By default, this folder is the following:
Type the following command, where x is your site identifier:
cscript adsutil.vbs set w3svc/x/UseHostName true