Windows Server, version 1709, is the first release of Windows Server that delivers innovation for your applications and infrastructure faster. As part of the new Semi-annual Channel cadence, this release is designed to help modernize your applications, bring new levels of efficiency to your datacenter and streamline your transition to the cloud. Advancements include a dramatically smaller Nano Server container image optimized for .NET Core, the Windows Subsystem for Linux, support for new hardware innovations like Storage Class Memory, encrypted network segments, Linux Shielded VMs, and many more.

For details regarding the servicing and support policy for Windows Server, please visit: https://support.microsoft.com/en-us/lifecycle