By default, centralized monitoring for user-defined projects and platform monitoring are enabled. You can monitor your own projects in Red Hat OpenShift Service on AWS without the need for an additional monitoring solution.
The monitoring of user-defined projects cannot be disabled.
dedicated-admin user has default permissions to configure and access monitoring for user-defined projects.
Custom Prometheus instances and the Prometheus Operator installed through Operator Lifecycle Manager (OLM) can cause issues with user-defined project monitoring if it is enabled. Custom Prometheus instances are not supported.