1. Log .. (eg: www.example.com:2443/siteworx/ )
2. Under "SiteWorx ", click the "Hosting Features" item if it is not already open.
3. Click the "Domain" item and then . "Subdomain" option.
4. Under the "Add a Subdomain" tab, enter your subdomain name in the "Subdomain" field.
5. . "Add" babies.