You can add and remove licenses on your cluster using the MapR Control System or the command line:
- In the MapR Control System, click Manage Licenses to display the License Management dialog.
- On the command line, use the maprcli license commands.
Warning: Remove old licenses from the cluster when you add a new license. If multiple licenses exist, the cluster will activate only the license with the lowest node count.
You can perform the following procedures to manage licenses: