How to change Gateway Cluster Hostname?
Release: All supported Gateway version
Component: Gateway
The default SSL key created during the initial deployment of the Gateway database uses the cluster hostname as the CN value. When you change the cluster hostname, the CN value of the presented certificate will not match. Some applications (including the CA API Gateway and CA API Gateway Policy Manager) force hostname validation with certificate authentication.
To change the cluster hostname of the Gateway cluster and change the private key of the CA API Gateway:
Please note that the generation of a new private key will require existing trust relationships to be re-established. Keys may need to be re-signed, if applicable, and certificate trust chains re-imported.