We have earlier posted that Windows 8 Server build 7959 has been leaked, though the changes in Windows 8 build 7955 and Build 7959 are very less still the enthusiasts at BetaArchive forums have managed to find the improved Server Manager in this new leak. The Server Manager eases the task of managing and securing multiple server roles in an enterprise.
Though Server Manager has already been available in Windows Server 2008 R2, Microsoft has considerably improved the features and UI in Windows 8 Server.
Here are the screenshots of the Server Manager in Build 7959-
If you are running Windows 8 Server Build 7959 you can run Server Manager by running