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Curt Simmons is an author, trainer, and courseware developer based in Dallas, Texas. He is a Microsoft Certified Systems Engineer, Microsoft Certified Trainer, and a Certified Technical Trainer. Curt focuses on Windows NT, 2000, and general networking topics. He is the author of almost twenty high-level computing books, including Core MCSE: Designing a Windows 2000 Directory Services Infrastructure (2000, Prentice Hall PTR).