Windows Server 2008/6.0.5112.0.winmain beta1.050720-1600
From BetaArchive Wiki
Windows Longhorn Server Beta 1 (build 5112) is the first leaked build of Windows Server 2008. It was delivered to 10,000 beta-testers on July 27, 2005 via the Windows Vista Technical Beta Program.
This is the server version of Windows Vista Beta 1, released at the same time.
The server components on this build were not updated, and some parts of the Operating System identify it as “Microsoft Windows 2000 Advanced Server”.
Gallery
Server Core
Standard Server
