Windows Server 2019 build 17643

Windows Server 2019 build 17643 is an unconfirmed build of Windows Server 2019. The ISO image of Datacenter SKU was supposedly uploaded to the Chinese website BetaWorld on 19 October 2021. The Docker Hub container image for this build was supposedly uploaded to the aforementioned website on 17 August 2021, but at the moment this cannot be confirmed or refuted as it is not publicly available.