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Virtualization with Windows Server 2012

by Eric Kraus

Microsoft just recently announced the release of Windows Server 2012.  You can find more on this announcement here ( microsoft.com/ws2012 ).

I wanted to take a moment to highlight some of the improvements in Server 2012, specifically around virtualization.  It is a fair statement that Microsoft has been playing a catch up game with virtualization over the first few years of the product existance.

That changed significantly, with Hyper-V on Server 2008, when customers saw an enterprise class hypervisor emerge.  It further improved with the release of Windows Server 2008 R2.   And now…with additions to Hyper-V on Server 2012, Microsoft is leading the industry in hypervisor specifications.  Have a look:


Windows Server 2012 Standard/Datacenter Editions with Hyper-V Enabled


Windows Server 2008 R2 Windows Server 2012 Improvement Factor
Logical Processors Per Host 64 320* 5x
Physical Memory per Host 1 Terabyte 4 Terabytes* 4x
Virtual Processors per Host 512 2048* 4x
Virtual Machines per Host 384 1024* 2.7x
Virtual Processors per VM 4 64 16x
Memory per VM 64 Gigabytes 1 Terabyte 16x
Maximum Virtual Disk ~2 TB 64 TB* 32x
Nodes in a Cluster 16 64* 4x
Virtual Machine in a Cluster 1,000 8,000* 8x

*= Industry Leading


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