Domain Mapping refreshing, but not doing anything

I have set up the domain mapping plugin according to the instructions, but when I attempt to map a domain I own to a test subsite I created it just refreshes and nothing is created.

I am not sure if it has something to with the setup of my multisite. I currently have Wordpress setup on a subdomain ( and it is set to a subdirectory install. So when a user creates a new site the path will be

My dedicated IP address points to the main site for

Is there a conflict between my dedicated IP and having WordPress setup on a subdomain?