Hyper-V Server V1 vs. Hyper-V Server R2
| Note | Microsoft Hyper-V Server 2008 V1 | Microsoft Hyper-V Server 2008 R2 |
Physical Processor Support | Up to 4 processors | Up to 8 Processors |
Logical Processor Support | Up to 16 logical processors | Up to 64 logical processors |
Physical Memory Support | Up to 32 GB | Up to 1 TB |
Virtual Machine Memory Support | Up to 32 GB total (e.g. 31 1 GB VMs or 5 6 GB VMs) | 64 GB of memory per VM |
| Live Migration | No | Yes |
| High Availability | No | Yes |
| Management Options | Free Hyper-V Manager MMC SCVMM | Free Hyper-V Manager MMC SCVMM |
Microsoft Hyper-V Server R2 相比它上一版本除了对硬件提供更大更多的支持以外，在功能上如：在线迁移、高可用方面都提供了支持，此外 Hyper-V Server R2 依旧是一款免费的产品！
