Allow CredSSP authentication This policy setting allows you to manage whether the Windows Remote Management (WinRM) service accepts CredSSP authentication from a remote client. If you enable this policy setting, the WinRM service will accept CredSSP authentication from a remote client. If you disable or do not configure this policy setting, the WinRM service will not accept CredSSP authentication from a remote client.

(1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Remote Management (WinRM)\WinRM Service!Allow CredSSP authentication (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRM\Service!AllowCredSSP