Stan Reimer works as an enterprise consultant, trainer, and writer. As a consultant, Stan has designed and implemented Exchange Server and Active Directory for some of the largest companies in Canada. As a trainer, Stan specializes in creating and teaching customized Exchange Server, Active Directory, and security courses. As a writer, Stan is the lead author for the Active Directory for Microsoft Windows Server 2003 Technical Reference (Microsoft Press, 2003) and other Exchange Server and ISA Server books, as well as the author of many Microsoft Learning courses. Conan Kezema has been involved in the computer technology field as an educator, systems consultant, network systems architect, and technical writer. He is a subject matter expert, instructional designer, and technical writer on numerous Microsoft-related projects. Mike Mulcare works for the Microsoft Corporation as the senior product manager for online learning products. During his eight years with Microsoft, Mike has developed numerous courses on directory services and Windows server networking, as both an instructional designer and subject matter expert. He is the coauthor, with Stan Reimer, of Active Directory for Microsoft Windows Server 2003 Technical Reference (Microsoft Press, 2003). Byron Wright performs network consulting, computer systems implementation, and technical training. Byron is also a sessional instructor, teaching management information systems and networking. Byron has authored a number of books on Windows servers, Windows Vista, and Exchange Server.