Microsoft Windows Server 2012 R2 Standard

At the heart of the Microsoft Cloud OS vision, Windows Server 2012 R2 brings Microsoft's experience delivering global-scale cloud services into your infrastructure. Windows Server 2012 R2 offers exciting features and enhancements across virtualization, storage, networking, virtual desktop infrastructure, access and information protection, and more.

Enterprise-class Cloud OS
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Enhanced features allow you to take advantage of even better performance and more efficient capacity utilization in your datacenter, helping you increase the agility of your business. Windows Server 2012 R2 offers, enterprise-class virtualization and cloud platform that can scale to continuously run your largest workloads while enabling robust recovery options to protect against service outages.

Hyper-V virtualization
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Hyper-V virtualization represents the foundation of Microsoft?s vision for the cloud operating system. Storage and networking are the walls that help support your virtualization infrastructure. Then, on top of everything, you get management and automation. Windows Server 2012 R2 builds upon the improvements added earlier in Hyper-V on Windows Server 2012, and adds new features and functionality delivering greater gains in performance, availability, and agility.

Simple and cost-effective

Windows Server 2012 R2 also gives you resilient, multi-tenant-aware storage and networking capabilities for a wide range of workloads. It delivers these capabilities at a fraction of the cost of other solutions, through the use of low-cost, industry-standard hardware. With automation of a broad set of management tasks built-in, Windows Server 2012 R2 simplifies the deployment of major workloads and increases operational efficiencies.
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Storage is a key part of any IT infrastructure. Maximizing the performance and efficiency of storage while helping to reduce costs was a major goal of Windows Server 2012, and the numerous new features and capabilities introduced in that platform now provide enterprises with new ways of squeezing the most out of shrinking IT budgets when it comes to storage.

NIC Teaming
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With the release of Windows Server 2012, however, NIC teaming became a built-in feature called Windows NIC Teaming that makes it possible to team together even commodity network adapters to aggregate throughput and enable fault tolerance.

Virtual RSS
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The new feature called virtual RSS (vRSS) maximizes network utilization for a virtual machine by spreading the processing of the traffic across multiple virtual processors inside the virtual machine and also inside the host.

Hyper-V Network Virtualization enhancements
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Windows Server 2012 R2 includes some new features and enhancements that not only make network virtualization easier to implement and manage but also provide customers with a more comprehensive and integrated SDN solution.

IPAM in Windows Server 2012 R2
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IPAM in Windows Server 2012 R2 represents a significant step forward in simplifying the management of addressing and DNS/DHCP server management both for large enterprises and especially for cloud hosting providers.

Improved network diagnostics

Windows Server 2012 R2 includes new features in Windows PowerShell that can help you troubleshoot network connection problems when they occur.

Active Directory

Active Directory is the core identity and access control technology used for the IT infrastructure of most businesses today.
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Workplace Join
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Companies can now provide an SSO experience for all workplace-joined devices, which at present includes Windows and iOS devices.

Multi-factor access control
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The AD FS server role has been enhanced in Windows Server 2012 R2 to support multi-factor access control that includes user, device, location, and authentication data.

Web Application Proxy
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With a Web Application Proxy, your organization can publish applications for external access

New policy settings

There are many new policy settings available for Group Policy in Windows Server 2012 R2.
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Areas of functionality to which they apply:

Start screen

Work Folders

Login scripts

Windows Update

Multi-monitor display

Kerberos authentication

Windows Runtime apps

Sync your settings

Apps

Microsoft accounts

Automatic sign-in

Windows SkyDrive

Application focused Windows Server

Windows Server 2012 R2 helps you build, deploy and scale applications and websites quickly, and with more flexibility than ever before. Windows Server 2012 R2 provides a scalable, highly available platform for mission-critical applications and offers enhanced support for open standards, open source applications and various development languages.

User-centric

With Windows Server 2012 R2, you can manage identities across your datacenter and federated into the cloud, provide flexible remote access to applications and resources, and define the resources and level of access users have to information based on who they are, what they are accessing, and what device they are using.