Oracle ZFS Storage Appliance Administration Guide, Release OS8.8.x Appliance Services Configuring Services Kerberos Configuration Deleting Kerberos Principals and Keys (BUI) Deleting Kerberos Principals and Keys (BUI) Use the following procedure to delete individual keys. From the Configuration menu, select Services. Click Kerberos. Click Keys. The list of principals and keys is displayed. Optional: To sort by a column, such as PRINCIPAL, click the column heading. To delete an individual key, hover over the appropriate row, click its trash icon and confirm your action. If you delete all keys for a principal, you effectively delete the principal from the appliance.