4. Renaming a Cluster
After you have created a cluster, you can rename the cluster using the Rename Cluster function.
To rename a cluster:
In Clusters, click the Rename Cluster icon, next to the cluster name.
The cluster name becomes write-able.
Enter alphanumeric characters as a cluster name.
Click the check mark.
Confirm.
![[Important]](../common/images/admon/important.png) | Important |
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After renaming the cluster, alert checks must be re-queued on the agents. Therefore, you must restart Ambari Server and the Ambari Agents for the change to take effect. |
| Important |
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By changing the name of the cluster, the Ambari REST API resource for the cluster also changes. You must adjust any API calls you make to use this new name. |