Power-shell kommando:

Get-Item -Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows NT\DNSClient\DnsPolicyConfig" | Remove-Item -Confirm:$false
 

Se mer info her:
https://directaccess.richardhicks.com/2017/04/13/uninstalling-and-removing-directaccess/

http://virot.eu/manually-remove-direct-access-from-a-client/