In a time when your organization requires its communication tools to be cost-effective and flexible, Microsoft Exchange Server 2010 enables you to achieve levels of reliability and performance by delivering features that simplify your administration, help protect your communications, and delight your users by meeting their demands for greater business mobility. Microsoft Exchange, the cornerstone of Microsoft's unified communications solution, has long been the choice of organizations like yours to enable rich and productive collaboration among its users. The Exchange can help you achieve better business outcomes while controlling the costs of deployment, administration, and compliance. Exchange delivers the widest range of deployment options, integrated information leakage protection, and advanced compliance capabilities, that combine to form the best messaging and collaboration solution available.
Exchange Server 2010 Enterprise Edition is designed to provide essential messaging services for organizations with increased availability, reliability, and manageability needs. This server edition supports up to 50 databases in total on a particular server. Each database is limited to a maximum size of 16 terabytes (TB) - limited only by hardware.