7

Set-MpPreference -DisableRealtimeMonitoring disables the first one, what are the specific switches to disable the others you see when you open the UI? I have not found a clear example of this in the docs and I don't feel like running EVERY disable switch because MS docs are bad.

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  • I had to use "Set-MpPreference -DisableRealtimeMonitoring $true" to disable it on Win10 1809. – KERR Oct 8 '18 at 10:00
10

After going for hours through the docs: https://docs.microsoft.com/en-us/powershell/module/defender/index?view=win10-ps

Just decided to uninstall it. This works on WS 2016 with PS 5.1.

Remove-WindowsFeature Windows-Defender, Windows-Defender-GUI

The below didn't work for me (from a blog dated 2011-2012), but give it a try before you uninstall:

Get-Service WinDefend | Stop-Service -PassThru | Set-Service -StartupType Disabled

Later edit: Found a way for Windows 10, tested on 20H2 only. Please add a comment if it works for previous builds.

Set-MpPreference -DisableRealtimeMonitoring $true
New-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows Defender" -Name DisableAntiSpyware -Value 1 -PropertyType DWORD -Force
  • 1
    This doesn't appear to work on Win10 (tested on v1809). – KERR Oct 8 '18 at 10:00
2

from windows server 2016 you could try

uninstall-windowsfeature -name windowsserverantimalware

1

For example you can use something like this - > Run PowerShell console as Administrator - > Paste to console and hit enter

Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend

Full list of options with description available at: https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference?view=win10-ps

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