Nick CavalanciaNick Cavalancia, MCSE, MCT, MCNE, MCNI, is an accomplished consultant, trainer, author, columnist, and speaker with more than 15 years of experience in the IT industry. He has contributed to more than a dozen books on topics such as indows, Active Directory, SQL Server, and Exchange Server. Nick is the coauthor of Exchange 2000 Server Administration: A Beginner's Guide and Exchange 2000 Server: The Complete Reference. Read More Read Less