Yes, this software does support remote desktop.
Access business information and resources from virtually anywhere, anytime
With Windows Small Business Server 2003 you can be productive while away from the office. It’s easy for you and your employees to work remotely and to stay connected to your important business information and resources from virtually anywhere. When out of the office, you can access your e-mail, internal Web site, network files and even your business applications. Using any computer that has an Internet connection, you can:
Securely access your personal office desktop, along with all the shared information and resources maintained in your server’s centralized database
Easily access your e-mail, schedule, and contacts using an Internet-enabled computer or Windows Mobile-based device
Communicate in real time to stay current with your company and customers
Hope this helps.