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| 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 |