Windows Server 2008 R2
Editions
Columns: Features | Foundation | Standard | Enterprise | Datacenter | Itanium
Maximum RAM on x86-64 | 8 GB | 32 GB | 2 TB | 2 TB | 2 TB | Maximum physical s CPU | 1 | 4 | 8 | 64 | 64 | Cross-file replication (DFS-R) | No | No | Yes | Yes | Yes | Failover cluster nodes (Nodes) | No | No | 16 | 16 | 8 | Fault tolerant memory sync | No | No | Yes | Yes | Yes | Memory modules: Hot addition | No | No | Yes | Yes | Yes | Memory modules: Hot replacement | No | No | No | Yes | Yes | CPUs: Hot addition | No | No | No | Yes | Yes | CPUs: Hot replacement | No | No | No | Yes | Yes | Network access connections: IAS | 10 | 50 | Unlimited | Unlimited | 2 | Network access connections: RRAS | 50 | 250 | Unlimited | Unlimited | No | Remote Desktop admin connections | 2 | 2 | 2 | 2 | 2 | Remote Desktop Services gateway | 50 | 250 | Unlimited | Unlimited | No | Virtual image use rights | No | Host + 1 VM | Host + 4 VMs | Unlimited | Unlimited | Features | Foundation | Standard | Enterprise | Datacenter | Itanium