This is an upgrade for previous version (Small Business Server 2000) User CALs to SBS 2003 or 2003 R2As a small business you have to work harder than ever. But you also have fewer resources and less margin for error than other businesses. How do you manage these obstacles and still succeed? By using Microsoft Windows Small Business Server 2003 That’s how. Windows Small Business Server 2003 integrates e-mail fax database and shared Internet into one powerful platform That’s easy to deploy. It is a complete – and completely simple – network solution.