Windows Server 2008/6.0.5219.0.winmain idx02.050830-2010
From BetaArchive Wiki
Windows Server Codename Longhorn build 5219 is a CTP that was distributed in the PDC 2005.
In this build, the WinPE build from the setup has the client branding (it identifies itself as "Windows Vista Beta 2").
External Links
Longhorn Server Preview 2: A Look at Windows Server Longhorn Beta 1 and Community Technical Preview
