The purpose of this guide is to inform the reader about secure configuration and operation of Systems Management Server 2003 (SMS). This guide is based on the first release of SMS 2003, running on Windows Server 2003.This guide is intended for individuals with basic knowledge of SMS and Windows operating systems, Windows Server 2003 and Windows XP in particular, who are looking for guidance on how to make operation of SMS 2003 more secure. It may also benefit anyone involved with or interested in SMS 2003, other Enterprise Management systems, or network security.