Today, Winunleaked.tk revealed some screenshots of the server build, comparing the released Developer Preview and the latest internal build from Microsoft.
According to the site, Microsoft is now implementing two separate codes for the client and the server build removing some items from the latter like the Immersive or Metro PC Settings,Windows to Go, wallpaper packs, aero cursors, and others not needed for a Server.
The Lock Screen

Logon Screen (Developer Preview)

Logon Screen (Beta)

Server Dashboard (Developer Preview)

Server Dashboard (Beta)

Storage Spaces on Resilient File System (ReFS)



http://allmicrosoft....-beta-revealed/







