Windows 2003® Server is the multipurpose network operating system for
businesses of all sizes. The newest version of the best-selling server
operating system, Windows 2003 Server lets you:
Share files and printers reliably and securely.
Choose from thousands of business applications compatible to run today on
Windows 2003 Server.
Build Web applications and connect to the Internet.
Microsoft Windows Small Business Server 2003
Small Business Server is the flexible network solution
designed to help small businesses, with up to 75 computers, get more
done in less time. The integrated Small Business Server helps you take
advantage of the rapidly changing Internet, to manage and grow
customer relationships, and to enhance your company's productivity.