62 CHAPTER 5 Installing and configuring Virtual Machine Manager 2008 adjustments on your behalf in order to maintain the level of performance your customers require. VMM not only consolidates the functionality built into Hyper-V but also adds to it. With VMM performing, physical-to-virtual (P2V) migrations are greatly simplified and can be done without service interruption. VMM will also convert your VMware machines to VHDs using a similar technique called virtual-to-virtual transfers. For development and testing environments, VMM provides a self-service Web portal you can configure to delegate virtual machine provisioning while maintaining management control of the VMs. By implementing a centralized library for the storage virtual machine components, you can leverage these building blocks to quickly stand up new virtual machines as demand dictates. You can also create scripts to increase your level of automation, because VMM is built on Windows PowerShell. The various wizards included