Windows Small Business Server 2011 Essentials is an easy-to-use, first-server solution designed and priced especially for small businesses (up to 25 users). It can seamlessly integrate into online services such as Office 365, cloud backup, and cloud management solutions.
SBS 2011 Essentials delivers enterprise-class technologies for data backup and restore, Remote Web Access, file and printer sharing, and quick connection to the cloud - in one fully integrated solution.
It is designed so that it can be easily deployed and managed by individuals within organizations where there are limited in-house IT skills. It is also optimized to let small businesses run applications on-premises or take advantage of the growing number of online versions of email, collaboration, and other software that major companies are already using around the world.