Difference between Windows Server 2008 R2 and Windows Server 2012
|
Processor/Memory Feature
|
Windows Server 2012
|
Windows Server 2008 R2
|
|
RAM per VM
|
1TB
|
64GB
|
|
Virtual processors/VM
|
64
|
4
|
|
# of Active VMs
|
1,024
|
384
|
|
Virtual processors/VMs
|
64
|
4
|
|
Virtual processors/hosts
|
2,048
|
512
|
|
Maximum cluster nodes
|
64
|
16
|
|
Maximum cluster VMs
|
8,000
|
1,000
|
|
Physical Memory
|
4TB
|
1TB
|
|
New Features
|
||
|
Private VLAN
|
Supported
|
Not Supported
|
|
DHCP Guard
|
Supported
|
Not Supported
|
|
Router Guard
|
Supported
|
Not Supported
|
|
Hyper-V Extensible Switch
|
Supported
|
Not Supported
|
|
Extension Monitoring
|
Supported
|
Not Supported
|
|
IP Address rewrite
|
Supported
|
Not Supported
|
|
Generic Routing Encapsulation
|
Supported
|
Not Supported
|
|
Non-Uniform Memory Access (NUMA) support inside VMs
|
Supported
|
Not Supported
|
|
Single Root I/O Virtualization (SR-IOV)
|
Supported
|
Not Supported
|
|
Hyper-V Smart Paging
|
Supported
|
Not Supported
|
|
Resource Metering
|
Supported
|
Not Supported
|
|
Runtime Memory Configuration
|
Supported
|
Not Supported
|
|
Virtual Hard Disk format
|
Supported
|
Not Supported
|
|
Offload Data Transfer
|
Supported
|
Not Supported
|
|
Data Center Bridging
|
Supported
|
Not Supported
|
|
Virtual Fibre Channel in Hyper-V
|
Supported
|
Not Supported
|
|
QoS Minimum Bandwidth
|
Supported
|
Not Supported
|
|
Encrypted cluster volumes
|
Supported
|
Not Supported
|
|
Cluster Shared Volume (CSV) 2.0
|
Supported
|
Not Supported
|
|
Application Monitoring
|
Supported
|
Not Supported
|
|
Storage Spaces
|
Supported
|
Not Supported
|
|
Data Deduplication
|
Supported
|
Not Supported
|
|
SMB Direct
|
Supported
|
Not Supported
|
|
Multi-terabyte volumes
|
Supported
|
Not Supported
|
|
SMB Transparent failover
|
Supported
|
Not Supported
|
|
Datacenter Diskless boot
|
Supported
|
Not Supported
|
|
SMB 3.0
|
Supported
|
Not Supported
|
|
IPAM
|
Supported
|
Not Supported
|
|
Cross-premise connectivity
|
Supported
|
Not Supported
|
|
DHCP Failover
|
Supported
|
Not Supported
|
|
CPU Throttling
|
Supported
|
Not Supported
|
|
Active Directory based Authentication
|
Supported
|
Not Supported
|
|
Cloning virtual domain controllers
|
Supported
|
Not Supported
|
|
DirectAccess
|
Supported
|
Not Supported
|
|
Hyper-V Replica
|
Supported
|
Not Supported
|
|
Live Storage migration
|
Supported
|
Not Supported
|
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