The first release candidate of Hyper-V (RC0) is now available. Apparently there are many changes and improvements in the Hyper-V Release Candidate compared to the beta. Here are some things to note:
- The Hyper-V Release Candidate will only install on RTM installations of Windows Server 2008 64bit editions.
- The virtual machine configuration in this Release Candiate is not compatible with the Hyper-V Beta, and you will have to re-create all virtual machines again. Good news is the Virtual Hard Disks from the Beta can still be used.
- Installation is supposed to be available as a Windows update, which has not happened so far. You can download it and install it manually. A reboot will be required. Your virtual machines from Beta will appear in Hyper-V manager, but they will fail to start. You will have to remove and re-create each machine again.
- All Virtual Network configurations from the Hyper-V Beta will disappear.
- The known mouse issues for virtual machine connections within an RDC is not resolved. In fact, Microsoft has clearly mentioned again that the virtual machine connection within a remote desktop is not supported.
- Once you upgrade to Hyper-V release candidates and re-create your virtual machine configurations, you will also need to re-install the integration components in Windows Server 2003 flavors, and install a patch in Windows 2008 installations.
You can read more in the release notes of this version here.
Support for two additional guest OS (Windows XP and Vista!) has been added to this Release. No words on Linux guest OS support or integration components. No, booting from SCSI is still not an option.
There is no VMRC like remote connection available yet. However, the Hyper-V manager is now available for Windows Vista SP1. Which is one step (although not a big step) in the right direction, since it is possible to connect to Hyper-V from a workstation now. In case of server core installations, this will come in handy.
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