I. Installation requirements
If your computer has less than the following hardware specifications, Windows Server 2012 will not install correctly (or possibly at all):
+ 1.4-GHz 64-bit processor
+ 512 MB RAM
+ 32 GB available disk space
+ DVD drive
+ Super VGA (800 × 600) or higher resolution monitor
+ Keyboard and mouse (or other compatible pointing device)
+ Internet access
II. Planning for a server
installation
There is no 32-bit version of Windows
Server 2012; only a 64-bit operating system is available, reflecting the fact
that most major applications are now 64-bit and that modern server
configurations are typically supported on hardware that requires 64 bits.
There are now only four Windows Server
2012 editions from which to choose, down from six in Windows Server 2008 R2.
+ Windows Server 2012 Datacenter
+ Windows Server 2012 Standard
+ Windows Server 2012 Essentials
+ Windows Server 2012 Foundation
III. Selecting a Windows Server
2012 edition
+ Windows Server 2012 Datacenter: The Datacenter edition is designed for large and powerful servers with up to 64 processors and fault-tolerance features such as hot add processor support.
+ Windows Server 2012 Standard: The Standard edition includes the full set of Windows Server 2012 features and differs from the Datacenter edition only in the number of virtual machine (VM) instances permitted by the license.
+ Windows Server 2012 Essentials: The Essentials edition includes nearly all the features in the Standard and Datacenter editions, except for Server Core, Hyper-V, and Active Directory Federation Services. The edition is limited to one physical or virtual server instance and a maximum of 25 users.
+ Windows Server 2012 Foundation: The Foundation edition is a reduced version of the operating system designed for small businesses that require only basic server features such as file and print services and application support. The edition includes no virtualization rights and is limited to 15 users.
IV. Supporting server
virtualization
edition
|
POSeInstances
|
VOSeInstances
|
Datacenter
|
1
|
Unlimited
|
Standard
|
1
|
2
|
Essentials
|
1(POSE or VOSE)
|
1(POSE or VOSE)
|
Foundation
|
1
|
0
|
V. Maximum hardware
configurations in Windows Server versions
windows Server 2012
|
windows Server 2008 r2
|
|
Logical processors
|
640
|
256
|
RAM
|
4 TB
|
2 TB
|
Failover cluster
nodes
|
64
|
16
|
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