Windows Server 2016 build 9841

Windows Server 2016 build 9841 is the first official Technical Preview build of Windows Server 2016, which was released on 1 October 2014 along with its client counterpart.

It is the first server version use flight-signing. a functionality which prevents the operating system from booting once the timebomb is triggered.

PC settings
The Settings application does not start in this build.

Window thumbnail border color
The window thumbnail borders on the taskbar do not change color, but the user can change it after the computer restarts.

Others
On 11 April 2015, Microsoft released the KB3056022 hotfix to extend this build's timebomb to 1 October 2015.