ITOM Cloud Services Diagnostics -Registration keys The above check verifies the availability of active registration keys on the instance. No active keys Agent registration key is required for you to deploy MID-less Agent Client Collector. You can follow the below steps Before you begin Install the plugins necessary for deploying MID-less Agent Client Collector, as described in Agent Client Collector installation. Role required: agent_client_collector_admin Make sure to install the ITOM Cloud Services Core App if you want a MID-less Agent Client Collector Procedure Navigate to All > Agent Client Collector > Deployment > Agent Registration Key.Select New.In the Name field, enter a descriptive name for the registration key.(Optional) To receive notifications when a registration key is soon to expire, select a group with a valid email address in the Ownership Group field.Select Submit. Result The new agent registration key is ready to use for installation. You can follow the detailed steps mentioned in Configure an agent registration key After you have the configured the agent registration key . Re-run the check it should be green now