The Allow Basic authentication machine setting should be configured correctly for the WinRM service. This policy setting allows you to manage whether the Windows Remote Management (WinRM) service accepts Basic authentication from a remote client. If you enable this policy setting, the WinRM service will accept Basic authentication from a remote client. If you disable or do not configure this policy setting, the WinRM service will not accept Basic authentication from a remote client. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Remote Management (WinRM)\WinRM Service\Allow Basic authentication (2) KEY: HKLM\Software\Policies\Microsoft\Windows\WinRM\Service\AllowBasic