With continuation of my previous article… now you can get support for Virtualized Exchange environment with the release of Microsoft Windows Server 2008 with Hyper-V and Microsoft Hyper-V Server 2008, a virtualized Exchange 2007 SP1 server is no longer restricted to the realm of the lab; it can be deployed in a production environment and receive full support from Microsoft. This past August, Microsoft published our support policies and recommendations for virtualizing Exchange, but many people have asked us to go beyond that guidance and weigh-in on the more philosophical question: is virtualization is a good idea when it comes to Exchange?
Due to the performance and business requirements of Exchange, most deployments would benefit from deployment on physical servers. However, there are some scenarios in which a virtualized Exchange 2007 infrastructure may allow you to realize real benefits in terms of space, power, and deployment flexibility. Presented here are sample scenarios in which virtualization may make sense, as well as checklists to help you evaluate whether the current load on your infrastructure makes it a good candidate for virtualization.
For more information, you can read this article.