Windows Server 2012 R2
Released on October 18, 2013, Windows Server 2012 R2 is an update to Microsoft's Windows Server operating system series, building on the foundation of Windows Server 2012 with a focus on enhancements in cloud computing, storage, networking, and virtualization technologies. This version introduced Workplace Join, Work Folders, and enhancements to Hyper-V, including Generation 2 virtual machines, enhanced session mode, and automatic VM activation. It also featured improvements in the Windows Server Essentials experience, a refined UI based on the Windows 8.1 update, and significant updates to the Windows PowerShell scripting environment, expanding automation capabilities across the server. Additionally, Windows Server 2012 R2 aimed at improving data center efficiency and flexibility, offering features like Storage Spaces Tiering and Deduplication, as well as enhanced networking features that further support the deployment and management of modern, scalable cloud-based services and applications.