Dan Holme is a Microsoft MVP and a contributing editor for Windows IT Pro magazine. He has more than 10 years' experience as an IT consultant and trainer.Nelson Ruest is a Microsoft Certified Trainer and a senior enterprise architect focused on system management and administration.Danielle Ruest is a senior enterprise workflow architect and consultant with 20+ years' experience in project implementation.Tony Northrup (MVP, MCSE, MCTS, and CISSP) is a Windows consultant and author living in Phillipston, Massachusetts. Tony started programming before Windows(R) 1.0 was released, but has focused on Windows administration and development for the last fifteen years. He has written more than a dozen books covering Windows networking, security, and development. Among other titles, Tony is coauthor of Windows Server 2008 Networking And Network Access Protection (NAP) and the Windows Vista(R) Resource Kit.J.C. Mackin, MCITP, MCTS, MCSE, MCDST, is a writer, editor, consultant, and Microsoft Certified Trainer who's worked with Microsoft networks for more than a decade. He has authored several Self-Paced Training Kits, including for Exams 70-622 and 70-642.Anil Desai is an independent consultant based in Austin, TX. He specializes in evaluating, implementing, and managing IT solutions. He has worked extensively with IT management, development, and database technology. Anil holds many certifications and is a Microsoft MVP (Windows Server - Virtualization). Anil is the author of numerous technical books focusing on the Windows Server platform, virtualization, databases, and IT management best practices. He is also a frequent contributor to numerous IT publications and conferences.Orin Thomas, MCSE, MCITP, MVP, is a system administrator, author, and contributing editor for Windows IT Pro magazine.John Policelli (MVP for Directory Services) is a solutions-focused IT consultant with Avanade Canada. John has more than a decade of success in architecture, security, strategic planning, and disaster recovery planning. He has designed and implemented dozens of complex directory service, collaboration, web, networking, and enterprise security solutions. John has spent many years focused on identity and access management and has provided thought leadership for some of the largest installations of Active Directory directory service in Canada. He has been involved as an author, technical reviewer, and SME for more than 75 training, certification, and technical white paper projects.Ian McLean, MCITP, MCTS, MCSE, has 40 years of commercial and academic experience and runs an IT consulting firm.Paul Mancuso (SME, CCSI, DCUCSS, DCNISS, CCNP, CCIP, CCNA, CCDA, VCP, VCAP-DCA, CTT+, CCISP, MCT, MCITP: EA) has offered consulting in the network services area for more than 21 years and has also provided authorized instruction for Cisco, VMware, and Microsoft for more than 18 years. Paul currently provides extensive training and consulting in data center design and support for Cisco, VMware, and Microsoft technologies. He earned a bachelor of science in zoology and pre-med from Ohio State University, deciding late in his studies to turn his attention toward business services, finance, marketing, and computers. His studies in these areas introduced him to the emerging field of local area networks (LANs), which later spearheaded a revolution in business processes. This early introduction to LANs prompted him to begin a career in network integration upon his graduation. It has become a passion ever since. He has previously authored books on Windows Vista, Microsoft Exchange Server 2007, and Windows Server 2008.David R. Miller (PCI QSA, SME; MCT; MCITPro; MCSE Windows NT 4.0, Windows 2000, and Windows 2003: Security; CISSP; LPT; ECSA; CEH; CWNA; CCNA; CNE; Security+; A+; N+, etc.) is a consultant in the IT industry who specializes in compliance, security, and network engineering. David is an instructor, an author, and a technical editor of books, curricula, certification exams, and computer-based training videos. He regularly contributes as a Microsoft subject matter expert (SME) on product lines including Microsoft Windows Server 2008, Windows Server 2008 R2, Microsoft Exchange Server 2007, Windows 7, and Windows Vista.