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Less than a week after availability of Windows 8 Customer Preview (client and server) we now have access to Hyper-V Server 8 Beta which is a single role version of Windows 8 Core with just Hyper-V enabled
You have probably read about the huge amount of improvements to Hyper-V in Windows 8 and it may sound odd that this same functionality is also available for free. As Aidan Finn pointed out in his blog, the cost is in the licensing of the guest operating system.
Some of the main features:
No processor/core limit on the Hyper-V host
160 Logical processors
2TB memory on the host
1TB memory per VM (without memory tax)
1024 VM’s per Hyper-V host
32 virtual processors per VM
Failover Cluster Support
Live Storage Migration
Shared Nothing Live Migration (without requiring shared storage)
RemoteFX with more monitors and resolutions
VMs on File Based Storage (SMB 2.2 Share on a Scale Out File Server)
Vendor independent NIC Teaming
Just to get a quick idea about the new version of Hyper-V Server 8, I installed it in a virtual machine on my Windows 8 Customer Preview client which also runs a full version of Hyper-V. Of course this is not a supported configuration but can serve well for limited testing purposes as I have done while writing my chapters for Microsoft Private Cloud Computing. Although the installation experience was much like its predecessor Hyper-V Server 2008 R2 SP1, it installed mighty fast!
If you have a server with plenty of memory, you could easily simulate a 64-node cluster. But remember that although you are able to create VM’s, you CANNOT start these VM’s.
Here is how you enable the Failover Clustering feature in PowerShell:
If you want to read more about how to install Hyper-V Server 8 beta on real hardware and how to tap its power through PowerShell, read this blog by Matthijs van Seldam:
Download location Hyper-V Server 8 beta:
Download location Windows Server 8 beta: