Sizing Your Windows Server 2012 Server to Support Virtualization

The minimum requirements for server compatibility for Windows Server 2012 applies, but because server virtualization is the focus of this server system, the minimum Windows Server 2012 server requirements will not be sufficient to run Hyper-V virtualization.

In addition, although Windows Server 2012 supports up to 320 processor cores, 4TB of RAM, and 1,024 concurrently running virtual machines, the reality on the scaling of Windows virtualization comes down to the raw capabilities of network I/O that can be driven from a single host server. In many environments where a virtualized guest system has a relatively low system utilization and network traffic demand, a single host system ...

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