Customer Contact users with snc_external role are added with snc_internal role as wellIssue Setting the below properties in the instance to prevent further internal role assignments for external users, is not working. The snc_internal role can still be assigned to the customer_contact user having an snc_external role. glide.security.explicit_roles.enable_internal_user_blacklist - trueglide.security.explicit_roles.internal_user_blacklist - customer_contactCauseThe property : glide.security.exclusive_explicit_roles is missing in the instance.ResolutionAdding the property: glide.security.exclusive_explicit_roles and setting it's value to 'true' help fix the issueRelated LinksExplicit Role plugin (instance security hardening)