Configure communication with the key management server and register certificates for data in flight encryption. Importing a certificate for connecting to the key management server Register key management server settings. Performing a connection test. Changing key management server priority. Enable port security (CCI) During key management server registration and editing, the system performs a connection pre-check. If the connection test fails, the operation is canceled. For details about enabling port security, see Provisioning Guide for Mainframe Systems.