If you enable platform services for S3 tenant accounts, you must configure your grid such that tenants can access the external resources necessary to use these services.
More information
What platform services are
Platform services include CloudMirror replication, event notifications, and the search integration service.
Networking and ports for platform services
If you allow an S3 tenant to use platform services, you must configure networking for the grid to ensure that platform services messages can be delivered to their destinations.
Troubleshooting platform services
If a tenant has issues configuring or using platform services, you might be able to use the Grid Manager to identify the cause of their issue.