Disallow Negotiate authentication This policy setting allows you to manage whether the Windows Remote Management (WinRM) client will not use Negotiate authentication. If you enable this policy setting, the WinRM client will not use Negotiate authentication. If you disable or do not configure this policy setting, the WinRM client will use Negotiate authentication.

(1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Remote Management (WinRM)\WinRM Client!Disallow Negotiate authentication (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRM\Client!AllowNegotiate