has suggested one of the most important features in 8.1 is how many new features it’s gained in just eight months. Actually that’s far more appropriate to Server 2012 R2, which has new features aimed not only at large enterprises but at smaller companies.

R2 has functions for managing ‘bring your own device’, remote access and storage that will appeal to smaller businesses, especially as the can be managed through the simplified Server Manager dashboard.

It’s possible to add Windows Server Essentials – the small business version of Windows server – as a role, to get the simplified remote access and client backup tools, even if you have more than the 25 users to which Server Essentials has previously been limited.

PowerShell 4 also adds new tools, including Desired State Configuration. It can prevent configuration drift – so you can keep the server the way you want it – by specifying the configuration as a state, rather than just a set of commands to run.

a5687dbece580 90.jpg Windows Server 2012 R2 previewAdd Server Essentials as a role to get its client backup tools for more than 25 users

Installing the Windows Server 2012 R2 Preview is straightforward; you need at least a 1.4GHz 64-bit CPU, 512MB of RAM, 32GB of free disk and a Gigabit Ethernet adapter, but it will happily run as a machine on an existing Windows Server 2008 R2 or 2012 system. (If you want to upgrade an existing test server, that can be running Windows Server 2008 R2 Standard with SP1 or 2012.)

Internet 11′s settings are extremely high by default. This is a good thing for a server, but you’ll see multiple challenges just to download components from the Microsoft site, and at least during configuration you’ll want to consider turning off Enhanced Protection.

The Server Manager interface is little changed from Windows Server 2012, with the same clear dashboard overview and the same Roles and Features wizard. This now asks whether you want to add server roles and features or configure the server for Remote Desktop Services and Virtual Desktop Infrastructure (a VDI configuration is quite different from a server setup so it’s helpful to be able to specify that immediately).

Automatic installation

The Windows Server Essentials Experience is now on this list, but many of the new features are installed automatically with the appropriate role. If you install the Hyper-V role, for example, virtual machines will be automatically compressed when you live migrate them, which improves migration times.

If you’re having problems with a virtual machine, it’s easy to export a working copy of it without having to shut it down first, so you can take a copy for troubleshooting and still carry on using the server. You can also copy files into a running VM and even resize virtual hard disks, as long as you’re using VHDX files, and set the maximum and minimum IOPS for your most important VMs to prioritise their performance.

The new BYOD, remote access and storage features show up, logically enough, in the File and Storage Services section. The wizard for setting up Storage Spaces makes it clear that if you choose to thin provision (by not installing some of the disks until you need the space) you can only add files until it’s 75% full. That’s the same limit as in Server 2012, but many admins missed the warning before.

3b52407d54580 90.jpg Windows Server 2012 R2 previewSSDs will be used automatically when added to a Storage Spaces pool

The new storage tiering features are also easy to set up. When you include SSDs as part of a storage space and enable tiering, Server R2 automatically caches files that are used more often so users can access them more quickly. If you want to prioritise specific files and folders, you can mark them to be stored on an SSD yourself.

Using the Server Essentials role is one way to enable easy remote access in Server R2, but Work Folders and the Web Application Proxy may be more flexible. The Web Application Proxy is a remote access role that works with almost any device and lets you make intranet web apps available to users logging in remotely using their normal Windows account, without needing a VPN (this requires ADFS, but that’s easier to set up now it doesn’t require IIS to be running).

If you want, you can insist that devices are signed up for the new Workplace Join option, which stores their details in Active Directory using the new Device Registration (in Preview this is available for Windows 8.1 Preview and iOS devices), and can be used to make them use secondary authentication.

You can also set a ‘lockout’ time where users who have typed their password wrong too many times cannot access apps remotely for a set period, and disable access for lost devices in Active Directory.

File syncing

Work folders only need the normal file share role. You can mark specific shares to be accessible to remote users, again using their Windows login. Files are synced offline, so users can access server files when they’re on a plane and if they create new files these are automatically copied back to the server.

You can specify a single folder on the server rather than syncing the entire file share and screen out files by type (no MP3s for example), but users cannot pick and choose which files and folders to sync inside.

Initially it only works with Windows 8.1, but it will support Windows 7 soon after Server 2012 R2 is released, and users will at least be able to access work folders remotely in future. Again, you can require workplace join or secondary authentication and you can revoke access if someone leaves the company.

Work folders are easier to set up than ADFS and the Web Application Proxy – and useful to more companies – although without selective sync they can’t act as a replacement for the still-fragile offline files.

8349845118580 90.jpg Windows Server 2012 R2 previewChoose specific folders to make available remotely and they will sync on Windows 8.1 PCs

It will become more powerful when the next version of Windows Intune, Microsoft’s PC and mobile device management service, lets you selectively wipe company data from devices when employees leave. Intune will increasingly be the way to manage how PCs, tablets and phones can take advantage of the features you enable in Windows Server 2012 R2.

The preview shows that this will be a powerful server release that isn’t overly complicated for the small business, but you need to start thinking of Intune to make the most of Windows Server for your users.

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Windows Server 2012 R2 preview | News | TechRadar