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.
Hyper-V Features | Windows Server 2008 R2 | Windows Server 8 |
Host Memory | 1 TB | 2 TB |
Logical Processors | 64 (Max) | 160 (Max) |
Guest VM Memory | 64 GB (Max) | 512 GB (Max) |
Guest Virtual Processors | 4 per VM (Max) | 32 per VM (Max) |
Guest NUMA | N | Y |
Host Failover Cluster | Y (16 nodes) | Y (63 nodes) |
VM Support - Failover Cluster | 1000 (Max) | 4000 (Max) |
Live Migration | Y (serial) | Y (concurrent) |
Live Migration (no cluster or shared storage) | N | Y |
Live Storage Migration | N | Y |
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