Windows Small Business Server 2011 Essentials (SBS 2011 Essentials) is an easy-to-use, first-server solution designed & priced especially for small businesses that can seamlessly integrate into online services. Ideal as a first server for small businesses with up to 25 users, Windows Small Business Server 2011 Essentials provides a cost-effective & easy-to-use solution to help protect data, organize & access business information from virtually anywhere, support the applications needed to run a business, & quickly connect to online services for email, collaboration & CRM.