In Windows Server 8, Hyper-V features are enhanced, improving virtual machine performance and providing a scalable virtualization base for cloud deployments. This table provides a comparison of Hyper-V key features between Windows Server 2008 R2 and Windows Server 8.
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Hyper-V Features
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Windows Server 2008 R2
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Windows Server 8
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Host Memory
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1 TB
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2 TB
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Logical Processors
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64 (Max)
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160 (Max)
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Guest VM Memory
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64 GB (Max)
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512 GB (Max)
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Guest Virtual Processors
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4 per VM (Max)
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32 per VM (Max)
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Guest NUMA
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N
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Y
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Host Failover Cluster
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Y (16 nodes)
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Y (63 nodes)
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VM Support – Failover Cluster
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1000 (Max)
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4000 (Max)
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Live Migration
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Y (serial)
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Y (concurrent)
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Live Migration (no cluster or shared storage)
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N
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Y
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Live Storage Migration
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N
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Y
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Cheers,
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