Learn Editor: Update microsoft-defender-antivirus-on-windows-server.md

Author: YongRhee-MSFT

defender-endpoint/microsoft-defender-antivirus-on-windows-server.md

@@ -173,7 +173,7 @@ The following table describes methods to set Microsoft Defender Antivirus to pas
 | Procedure | Description |
 |---|---|
 | Set Microsoft Defender Antivirus to passive mode by using a registry key | Set the `ForceDefenderPassiveMode` registry key as follows: <br/>- Path: `HKLM\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection` <br/>- Name: `ForceDefenderPassiveMode` <br/>- Type: `REG_DWORD` <br/>- Value: `1` |
-| Turn off the Microsoft Defender Antivirus user interface using PowerShell | Open Windows PowerShell as an administrator, and run the following PowerShell cmdlet: `Uninstall-WindowsFeature -Name Windows-Defender-GUI`
+| Turn off the Microsoft Defender Antivirus user interface using PowerShell (Windows Server 2016 only)| Open Windows PowerShell as an administrator, and run the following PowerShell cmdlet: `Uninstall-WindowsFeature -Name Windows-Defender-GUI`|
 | Disable Microsoft Defender Antivirus real-time protection using PowerShell | Use the following PowerShell cmdlet: `Set-MpPreference -DisableRealtimeMonitoring $true` |
 | Disable Microsoft Defender Antivirus using the Remove Roles and Features wizard | See [Install or Uninstall Roles, Role Services, or Features](/windows-server/administration/server-manager/install-or-uninstall-roles-role-services-or-features#remove-roles-role-services-and-features-by-using-the-remove-roles-and-features-wizard), and use the **Remove Roles and Features Wizard**. <br/><br/>When you get to the **Features** step of the wizard, clear the **Windows Defender Features** option. <br/><br/> If you clear **Windows Defender** by itself under the **Windows Defender Features** section, you're prompted to remove the interface option **GUI for Windows Defender**.<br/><br/>Microsoft Defender Antivirus runs normally without the user interface, but the user interface can't be enabled if you disable the core **Windows Defender** feature. |
 | Uninstall Microsoft Defender Antivirus using PowerShell | Use the following PowerShell cmdlet: `Uninstall-WindowsFeature -Name Windows-Defender` |