John Savill is a Windows technical specialist, an 11-time MVP, Windows and Azure certified. He's also ITIL certified and a CISSP. John is the author of the popular FAQ for Windows and a senior contributing editor to Windows IT Pro, as well as the author of Microsoft Virtualization Secrets (Wiley) and Mastering Hyper-V 2012 R2 with System Center and Azure (Wiley). John's blog is available at Savilltech.com.