I just upgraded and added the mutisite to the module all looks good and stable.

I am trying to add a subdomain with the mutisite and I am not seeing a diff. with my normal site to the subdomain i added

i treid to change backgrounds so i can see change but that is not working do i also need to add a subdomain to my server i host my site on? or do i just use the mutisite to add subdomains to

thanks