Hi there,
Have you tried Delegate Permissions for Group Policy?
How to delegate permissions for a group or user on a Group Policy Object https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn789195(v=ws.11)
Here is a link for a detailed description of the process that you must follow.
Using Group Policy to Restrict Access for a New Security Group to only have access to specified Servers https://learn.microsoft.com/en-us/answers/questions/437455/using-group-policy-to-restrict-access-for-a-new-se.html
Restrict Access to Only Specified Users or Computers https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-firewall/restrict-access-to-only-specified-users-or-devices
Restrict Server Access to Members of a Group Only https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-firewall/restrict-server-access-to-members-of-a-group-only
Hope this resolves your Query !!
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