Windows Server 2019 build 17709 (rs onecore stack sdn dev2)

Windows 10 build 17709 (rs_onecore_stack_sdn_dev2) is a build of Windows Server 2019. Two animation  images of this build was shown in the article "Top 10 Networking Features in Windows Server 2019: #10 Accurate Network Time" posted to Networking Blog at Microsoft Tech Community by a Microsoft employee on 14 February 2019.