ORIN THOMAS is an MVP, an MCT and has a string of Microsoft MCSE and MCITP certifications. He has written more than 25 books for Microsoft Press and is a contributing editor at Windows IT Pro magazine. He has been working in IT since the early 1990’s. He regularly speaks at events like TechED in Australia and around the world on Windows Server, Windows Client, System Center and security topics. Orin founded and runs the Melbourne System Center, Security, and Infrastructure Group. You can follow him on twitter at http://twitter.com/orinthomas.