


Double-click Turn off Windows Defender Antivirus.Expand the tree to Windows Components ▸ Windows Defender Antivirus ▸ Real-time protection.In the Group Policy Management Editor, navigate to Computer configuration.Right-click the Group Policy Object and click Edit.On your Group Policy management machine, open the Group Policy Management Console.

If you have PowerShell, run the following command: Uninstall-WindowsFeature -Name Windows-Defenderįor more information, see Microsoft's article on the topic.In the Remove Roles and Features Wizard, reach the Features step and deselect the Windows Defenders Features option.On the affected device(s), do one of the following: Therefore, we cannot turn off Defender during installation, and it will need to be disabled either manually on the device or via Group Policy Object. Microsoft has revoked the API for Windows Server that allowed us to report the presence of our Antivirus, which would cause Windows to automatically disable Windows Defender. Windows Defender will interfere with Essential/Premium/Ultimate Business Security on Windows Server OS and needs to be disabled prior to installation. Antivirus installations on Windows Server OS.
