What’s new in Windows Server 2012 Release Candidate Hyper-V: Scale

Windows Server 2012 RC Logo

Now yesterday Microsoft released the Release Preview of Windows 8 and the Release Candidates for Windows Server 2012 and Microsoft Hyper-V Server 2012.

Since the first introduction in September 2011 at the Build conference, Hyper-V got new features in every single release they made. In this blog post we will look at the new scalability of Windows Server 2012 Release Candidate Hyper-V.

SystemResourceWindows Server 2008 R2 Hyper-VWindows Server “8” Developer Preview Hyper-VWindows Server “8” Beta Hyper-VWindows Server 2012 Release Candidate Hyper-V
HostLogical Processors64160160320
Physical Memory1 TB2 TB2 TB4 TB
Virtual CPUs per Host512102410242048
VMVirtual CPUs per VM4323264
Memory per VM64 GB 512 GB1 TB1 TB
Maximum Virtual Disk2 TB16 TB64 TB64 TB
Active VMs per Host384102410241024
ClusterMaximum Nodes16646464
Maximum VMs1000400040004000


Now let’s compare Windows Server 2012 Release Candidate Hyper-V with VMware

SystemResourceWindows Server 2012 Release Candidate Hyper-VVMware ESXi 5.0VMware vSphere 5.0 Enterprise Plus
HostLogical Processors320160160
Physical Memory4 TB32 GB2 TB
Virtual CPUs per Host204820482048
VMVirtual CPUs per VM64832
Memory per VM1 TB32 GB1 TB
Maximum Virtual Disk64 TB2 TB2 TB
Active VMs per Host1024512512
ClusterMaximum Nodes64N/A32
Maximum VMs4000N/A3000


One thing you have to remember is that Hyper-V is free and comes as role in Windows Server or as a standalone product which can be downloaded and used for free.