Group Policy Management MMC problem: ‘Wired Network Policy Management’

After testing membership of the ‘Protected Users’ security group (introduced in Windows Server 2012 R2), I was getting following error after expanding ‘Computer Configuration\Policies\Windows Settings\Security Settings’:

Keep this in mind when using this group! Unfortunately I’m unable to find documentation about this effect, or have proper logs pointing to this group…

 

References (‘Protected Users’  security group)

Protected Users Security Group
https://docs.microsoft.com/en-us/windows-server/security/credentials-protection-and-management/protected-users-security-group

How to Configure Protected Accounts
https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/manage/how-to-configure-protected-accounts