System Center Configuration Manager (ConfigMgr), formerly Systems Management Server (SMS), is a systems management software product by Microsoft for managing large groups of Windows-based computer systems. Configuration Manager provides remote control, patch management, software distribution, operating system deployment, and hardware and software inventory. As companies strive to make their operations more efficient, they are striving to find ways to optimize their administrative overhead. Configuration Manager 2007 has proven methodologies and functionality that reduces the total cost of administrative overhead as well as total cost of ownership for operating systems and applications. This book covers the planning implementation and management of System Center Configuration Manager 2007 R3. The first section will familiarize the reader with the features of System Center Configuration Manager 2007 R3 and the planning options for deployment. Section two will cover the deployment of a single site structure and a multiple site hierarchy. Section three will cover the features of System Center Configuration Manager 2007 R3. Section four will cover ways of maintaining the Configuration Manager sites and troubleshoot problems associated with them.