Windows Server 2012 Editions Comparison From Official Microsoft Download Center

Microsoft”s “Blue” wave of tools and technologies is more than just a user interface refresh. It”s the next step on Microsoft”s journey to becoming a devices and services company, and the first of what the company intends to be a regular series of updates to its core platform. At the heart of that core platform is Windows Server, the foundation for Azure and for what Microsoft calls its Cloud OS. All of which means that Windows Server 2012 R2 is much more than just another service pack; adding new features that make it easier to build cloud applications and services in your datacentre, and to move them to and from Azure.

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Microsoft recently released a preview build of Windows Server 2012 R2, and we installed it as a Hyper-V virtual machine running on a Windows Server 2012 system. Although that meant we were unable to look at some of the new Hyper-V features in R2, it gave us a good picture of what you”ll need to know when setting up Microsoft”s latest server.

Getting started Installation is easy. Like Windows Server 2012, R2 has two installation options: a full GUI and the command-line-only Server Core. We were able to get up and running in just a few minutes, only needing to choose keyboard and language options. Server 2012 R2 boots to the Start Screen, although there”s the option of choosing boot to desktop. You can also turn off hot corner support for Windows 8-style navigation, a feature that comes in handy if you”re using a non-touch-enabled monitor or a remote desktop. Although we”ve found that a Surface RT”s 1366-by-768 screen is just the right size for working with a remote Windows Server 2012 R2, not everyone has the option of using the touch features Microsoft has put into its server.

You”ll find new server roles among the many familiar options. Want to install Work Folders to give your BYOD users access to their files? Click to expand the File and Storage Services options. (Screenshot: Simon Bisson/

Another closely related new feature, Work Folders, allows you to synchronise files and folders with users” devices. It”s not as granular as the old offline files model, but Work Folders lets BYOD users with Workplace-joined devices get managed copies of their files on their PCs and devices. There”s one flaw with Work Folders at present though: there”s no support for selective synchronisation. That means it”ll try and copy the same files on a 32GB Surface RT as on a 256GB laptop — with no option of choosing the files you want on which device.

With cloud at the heart of Server 2012 R2, it”s interesting to see it coming with a range of service provider-friendly (and BYOD-friendly) features. One key new role is support for Server 2012 Essentials” features, giving system administrators an approach to shared storage and backup that will work on consumer devices; without requiring membership of a domain or a workspace.

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AD for Identity Active Directory remains at the heart of Window Server 2012 R2, with an increased focus on managing user identities. That makes sense, as with a shift to services running on public, private or hybrid clouds, single sign-on is increasingly important, and a consistent source of user identity is needed to manage those sign-ons. If you”re working with Azure and Windows Server 2012 R2 (an increasingly likely scenario) you can use Active Directory Federation Services to link your on-premises AD to the cloud-hosted Azure Active Directory, or to virtualised AD servers running on your own private clouds.

The Cloud OS: Windows Server and System Center Although Windows Server 2012 R2 can standalone, it”s now best considered in tandem with System Center 2012 R2. The two products were developed alongside each other, and System Center now serves as a control layer for the tools and services that run on Windows Server — especially around managing networks and virtual servers and applications. The two together are the basis of a software-defined datacentre that reaches from your server to the cloud (whether it”s Azure or a hosting provider”s Windows Servers).

That”s probably the most important part of this release: an explicit relationship between management tools and server roles. If you want to use Windows Server 2012 R2 as a virtual machine host, you”re going to need to run System Center 2012 R2 Virtual Machine Manager to get the most from your system — including automating live migrations and giving your users a portal to install and configure virtual machines. System Center is the automation layer on top of Windows Server, and it”s essential if you”re planning on building a private — or even a public — cloud on your Windows Server systems. You can get away without it if you”re a small business, or running development servers, but if you don”t want to spend your life configuring functions and features and tidying up after users, you”re going to need to deploy the two products in tandem (and add in Windows Intune for managing Workspace-joined devices). Microsoft”s joint development programme for the two tools makes sense, especially as what it calls the Cloud OS is really the delivery of the company”s long term Dynamic IT vision.

The initial verdict So should you upgrade from Windows Sever 2012 to the R2 release? Certainly it”s a compelling release, with new Hyper-V and storage features making it a significant upgrade over last year”s server. It”s also surprisingly stable for a beta release of an OS that”s been under development for less than a year, showing just how effective Microsoft”s new sustained engineering and continuous development processes have become. But with pricing and a release date still unclear, any initial deployments should be purely to test out the new features. Where R2″s new features are likely to be essential is if you”re moving from a traditional application-centric datacentre to a service-centric private cloud, and where you want to automate as many of your server operations as possible.

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If you don”t install R2 this year, then there”ll be another new server along this time next year (and possibly even sooner). That new cadence is a big change to how we do IT, and one that”s going to take some getting used to — especially in more traditionally run IT organisations. There”s a hierarchy to how Microsoft is shipping new server features: Azure gets them every three weeks or so, Office 365 and the rest of the company”s cloud services get upgraded every three months, and the on-premises tools get an annual boost. This, then, is Microsoft”s new approach to server development: shipping its Cloud OS on cloud time.

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