You must use Windows PowerShell to create a host-named site collection. You cannot use the SharePoint Server 2010 Central Administration Web application to create a host-named site collection, but you can use Central Administration to manage the site collection after you have created it.
You can create a host-named site collection by using the Windows PowerShell
You can create a host-named site collection by using the Windows PowerShell
New-SPSite cmdlet with the -HostHeaderWebApplication parameter, as shown in the following example: