License and usage reporting

NGINX Plus R33 requires NGINX Instance Manager 2.18 or later
If your NGINX data plane instances are running NGINX Plus R33 or later, you must upgrade to NGINX Instance Manager 2.18 or later to support usage reporting. NGINX Plus R33 instances must report usage data to the F5 licensing endpoint or NGINX Instance Manager. Otherwise, they will stop processing user traffic.

For more details about usage reporting and enforcement, see About solution licenses.