Applies To: Windows 8.1, Windows Server 2012 R2, Windows Server 2012 This topic describes Resilient File System (ReFS), a new file system in Windows Server 2012, the deployment scenarios for the new file system, and the new and changed functionality for ReFS in Windows Server 2012 R2. For info about ReFS in Windows Server 2016 and with Storage Spaces Direct, see Resilient File System (ReFS) overvi