Windows Server 2008 build 4031

Windows Server 2008 build 4031 is a pre-reset build of Windows Server 2008. On 2020-01-23, this build was listed on a thread by UX.Unleaked blog founder Grabberslasher to be released to the BetaArchive FTP. It was leaked on 2020-02-01 in the eighth set of 33 other Longhorn builds, along with its client counterpart.

Installation
You must format the disk outside of this build's setup. This build also cannot be upgraded to, it must be clean installed. This build may be very slow to install and/or show no progress bar during kernel mode setup. This build won't install properly in VMWare. VirtualBox is recommended for this build.