|
Windows Server 2008 R2
|
Windows Server 2012
|
Processor/Memory Feature
|
| Logical processors on hardware |
64 |
320 |
| Physical memory |
1TB |
4TB |
Virtual processors per host
|
512 |
2,048 |
| Virtual processors per virtual machine |
4 |
64 |
| Memory per virtual machine |
64GB |
1TB |
| Active virtual machines |
384 |
1,024 |
| Maximum cluster nodes |
16 |
64 |
| Maximum cluster virtual machines |
1,000 |
8,000 |
| Network Feature |
| NIC Teaming |
Yes, through partners |
Yes, Windows NIC Teaming in box |
| VLAN Tagging |
 |
 |
| MAC spoofing protection |
Yes, with R2 SP1 |
 |
| ARP spoofing protection |
Yes, with R2 SP1 |
 |
| SR-IOV networking |
 |
 |
Network QoS
|
 |
 |
| Network metering |
 |
 |
Network monitor modes
|
 |
 |
IPsec task offload
|
 |
 |
| VM Trunk Mode |
 |
 |
Storage Feature
|
| Live storage migration |
No, quick storage migration through System Center Virtual Machine Manager
|
Yes, with no limits
(as many as the hardware will allow)
|
| Virtual machines on file storage |
 |
Yes, Server Message Block 3.0 (SMB3) |
| Guest Fibre Channel |
 |
 |
| Virtual disk format |
VHD up to 2 TB
|
VHD up to 2 TB
VHDX up to 64 TB |
| Virtual machine guest clustering |
Yes, through iSCSI |
Yes, through iSCSI, Fibre Channel, or Fibre Channel over Ethernet (FCoE) |
| Native 4 KB disk support |
|
 |
Live virtual hard disk merge
|
No, offline |
|
Live new parent
|
|
|
Secure offloaded data transfer
|

|

|
| Manageability Feature |
| Hyper-V PowerShell |
 |
 |
| Network PowerShell |
 |

|
Storage PowerShell
|
 |

|
REST APIs
|

|
 |
SCONFIG
|

|

|
Enable/Disable shell
|
No, server core at operating system setup
|
 |
VMConnect support for RemoteFX
|

|

|