Hyper-V is the virtualization component included in Windows Server 2008. Although Windows Server 2008 has been released already, the Hyper-V component is still in Beta, so it is not ready for a critical review yet. However, while the feature set of Hyper-V can change, the current beta release is stable enough to put this new virtualization environment to test. We have installed and tested several 32bit and 64bit Guest OS on a 64bit Windows Server 2008 Enterprise and there has been no critical issue with the current release of Hyper-V. Here is my early review of Hyper-V.