Hi,
This issue occurs if the "Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings" policy setting is enabled in Windows Vista or in Windows Server 2008. The policy setting can be enabled by using Group Policy or it can be enabled manually by modifying the registry.
To resolve this issue, use one of the following methods, as appropriate for your situation.
For more information , you can refer to :
https://learn.microsoft.com/en-US/troubleshoot/windows-server/windows-security/security-auditing-settings-not-applied-when-deploy-domain-based-policy
Similar case for your reference:
https://social.technet.microsoft.com/Forums/lync/en-US/fde42cfc-bb74-4e11-8b60-c1a3cb5d80ed/rsop-the-policy-engine-did-not-attempt-to-configure-the-setting?forum=winserverGP