Virtual servers are a new hot-button topic, though virtualization has been around for a number of years. What’s new is built-in virtualization in Windows Server 2008. Underutilization of servers is much more common than you might think. Often, servers are dedicated to a specific purpose that uses perhaps ten or twenty percent of the servers’ capabilities. The rest, though bought and paid for, remains idle. Being able to virtualize numerous servers on a single computer is an easy way to maximize a server’s utility, reducing management and administrative costs in the process. Chapter 29, covers all the ways virtualization can help you make efficient use of hardware resources.