Windows Server 2012 R2

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Windows Server 2012 R2
Version of Microsoft Windows
OS familyWindows NT
CodenameServer Blue
Preliminary name
Latest build
Release date2013-10-18
Support end2023-10-10
Windows Server 2012
Replaced by
Windows Server 2016

Windows Server 2012 R2 is the server counterpart of Windows 8.1. It was unveiled on 2013-06-03 at TechEd North America, with a preview release on 2013-06-24. A download version on 2013-06-25 was made available.

It replaces Windows Server 2012 and was replaced by Windows Server 2016.


According to Windows Server 2012 R2 datasheet published on 2013-05-31, there will be three editions of this operating system: Essentials, Standard and Datacenter. As with Windows Server 2012, the Datacenter and Standard editions are feature identical, varying only based on licensing (particularly licensing of Hyper-V VMs). The Essentials edition has the same features as the Datacenter and Standard products, with some restrictions.


As of preview version,

Automated Tiering: Storage Spaces stores most frequently accessed files on fastest physical media

Deduplication for VHD: Reduces the storage space for VHD files with largely similar contents by storing the similar contents only once.

Windows PowerShell v4, which now includes a Desired State Configuration (DSC) feature.

Web Application Reverse Proxy.

Integrated Office365 support.

The return of the Windows Start Button.


Milestone 1[edit]

Milestone 2[edit]

Milestone Preview[edit]


Spring 2014 Update pre-release[edit]

Spring 2014 Update[edit]