With Windows Server 2016, Microsoft integrated the Microsoft Defender service into the operating system. This built-in antivirus is now running constantly but it does not have the Defender GUI installed by default. If you want to activate the graphical user interface on the server, this can be done using Windows Server Manager or Powershell cmdlet.
Windows Defender GUI
Let’s see how to activate or disable the Windows Defender Graphical interface:
If you are testing Windows Server Technical Preview 2, you probably noticed that the Graphical interface is no more enabled by default.
In fact, in Windows Server Technical Preview, you have two choices at the installation: Core and Core With Local Admin Tools. The second choice, Local Admin Tools lets you configure your server with Server Manager.
Technical Preview Installation
Server Technical Preview no GUI
Like Windows Server 2012, GUI will be enabled by using Server Manager.
Go to Server Manager and Select Roles and Features.
On the Features Page, check Server Graphical Shell under User Interface and Infrastructure.
Server Preview Enable GUI
Start the installation and reboot.
After the reboot, GUI is available:
Technical Preview GUI
You can download Windows Server Technical Preview 2 here.