SharePoint 2013 Host Named Site Collection Alias
To add Alias to SharePoint 2013 Host Named Site Collection: $site = Get-SPSite "http://x.com" Set-SPSiteURL -Identity $site -Url "http://x1.com" -Zone Default and you can add up to 5 aliases and zone can be: Default, Intranet, Internet, Extranet and Custom Reference: http://technet.microsoft.com/en-us/library/jj219633(v=office.15).aspx