This white paper describes how mobile devices running Windows Mobile 5.0, Windows Mobile 6, and Windows Mobile 6.1 are fully integrated into the Microsoft server infrastructure, and how the components fit together. The paper covers the fundamental design requirements for employing Microsoft infrastructure components to help secure and manage mobile devices. The following components and their interrelationships are discussed: System Center Mobile Device Manager 2008, Exchange Server 2003 and 2007, Exchange ActiveSync, Internet Security and Acceleration Server 2004 and 2006, Microsoft Dynamics Platform, Small Business Server 2003, Microsoft Operations Manager (MOM) 2005 and Systems Center Operations Manager (SCOM) 2007, Systems Management Server (SMS) 2003 and Systems Center Configuration Manager 2007, Microsoft Office SharePoint Server 2007 and Live Communications Server 2005.