J.C. Mackin, MCITP, MCSE, MCT, has 10+ years' experience with Microsoft networks and is an IT consultant, trainer, and author.
Charlie Russel is an information technology consultant, specializing in combined Windows and UNIX networks. He is also a Microsoft Most Valuable Professional for Windows Server and Security. Together with Sharon Crawford, Charlie authored the top selling Windows Server 2008 Administrator’s Companion by Microsoft Press as well as the Windows Small Business Server 2008 Administrator's Companion. Charlie also co-authored the Windows Essential Business Server 2008 Administrator's Companion.