Log in to SiteWorx (for example, at
www.example.com:2443/siteworx/).Under SiteWorx, open Hosting Features if it is not already expanded.
Click Domain, then choose Subdomain.
On the Existing Domains tab, select the subdomain you want to remove.
Click Delete.
When the confirmation window appears, click Delete again.
A success message will confirm that the subdomain has been removed.
