Hi @Han Gong ,
Please note that
This policy is available only on Windows instances that are joined to a Microsoft Active Directory domain, joined to Microsoft Azure Active Directory or instances that enrolled for device management.
which means it will be blocked & ignored if your device is not joined to a Microsoft Active Directory domain, joined to Microsoft Azure Active Directory or enrolled for device management. Please make sure you have fulfilled these prerequisites before configuring this policy.
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Best Regards,
Shijie Li