Windows Server 2008 R2 Editions Overview

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Windows Server 2008 R2 is currently available in seven editions:

  • Windows Server 2008 R2 Web
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Itanium
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 HPC

Differences in the Editions based on Server Roles

Role Web Standard Enterprise Datacenter Itanium Foundation HPC
Active Directory Certificate services X 1 X X X 1 X 1
Active Directory Domain Services X X X X X
Active Directory Federation Services X X
Active Directory Lightweight Directory Services X X X X
Active Directory Rights Management Services X X X X
Application Server X X X X X
DHCP Server X X X X X
DNS Server X X X X X X
Fax Server X X X X
File Services X 2 X X x 2 X 2
Hyper-V X X X X
Network Policy and Access Services X 3 X X X 5 X 3
Print and Document Services X X X X
Remote Desktop Services X 4 X X X 6 X 4
Web Services(IIS) X X X X x X X
Windows Deployment Services X X X X X
Windows Server Update Services(WSUS) X X X X X

1 Limited to creating Certificate Authorities – no other ADCS features (NDES, Online Responder Service). See ADCS role documentation on TechNet for more information.

2 Limited to 1 standalone DFS root.

3 Limited to 250 RRAS connections, 50 IAS connections and 2 IAS Server Groups.

4 Limited to 250 Remote Desktop Services Gateway connections.

5 Limited to 50 RRAS connections, 10 IAS connections.

6 Limited to 50 Remote Desktop Services connections.

Differences in the Editions based on Technical Specifications

Specification Web Standard Enterprise Datacenter Itanium Foundation HPC
Cross-File Replication(DFS-R) X X X
Failover Cluster Nodes(Nodes) 16 16 8
Fault Tolerant Memory Sync X X X
Hot Add Memory X X X
Hot Add Processors X X
Hot Replace Memory X X
Hot replace Processors X X
Network Access Connections(IAS) 50 Unlimited Unlimited 2 10
Network Access Connections(RRAS) 250 Unlimited Unlimited 50 250
Remote Desktop Admin Connections 2 2 2 2 2 2 2
Remote Desktop Services Gateway 250 Unlimited Unlimited 50
Virtual Images Use Rights Guest Host + 1 VM Host + 4 VM Unlimited Unlimited Host + 1 VM
Max RAM 32 GB 32GB 2TB 2TB 2TB 8GB 128GB
Max CPU Sockets 4 4 8 64 64 1 4

Additional Information

Sources

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