Mark Minasi, Virginia Beach, Virginia, MCSE, is one of the world's leading Windows authorities. He teaches classes in 15 countries and is a much sought-after speaker at conferences and industry gathering keynotes. His firm, MR&D, has taught tens of thousands of people to design and run Windows networks. Mark has written over 15 books for Sybex, including the market-leading Mastering Windows Server 2003 and The Complete PC Upgrade and Mainentance Guide, which has sold over one million copies.

John Paul Mueller is a writer and technical editor who has written over 300 articles and 70 books. His topics range from programming and operating systems to home security and accessibility. He has contributed articles to such magazines as DevSource, asp.netPro, InformIT, SQL Server Professional, Visual C++ Developer, Hard Core Visual Basic, and Visual Basic Developer.