This manual provides an overview of the features and technologies of BlackBerry Enterprise Server (BES) and the new features in BES 5.0 Service Pack 2. BES is BlackBerry's enterprise-grade server software that provides BlackBerry devices with email, contact management, calendar management, messaging, document sharing, and device management services. BES 5.0 is the latest version of BES and it offers many new features and enhancements, including new remote servers, new management and monitoring tools, new security features, and improved performance.