For data security purpose, the Cluster Storage Server's certificate should be same with the SYS server's. Before adding the Cluster Storage Server to the platform, you should import the certificate stored in the SYS server to the Cluster Storage Server.
Make sure the Cluster Storage Server you are going to use are correctly installed and connected to the network as specified by the manufacturers. Such initial configuration is required in order to be able to connect the devices to the HikCentral Professional via network.
If the service component certificate is updated, you should export the new certificate and import it to the Cluster Storage Server again to update.
After importing the certificate to the Cluster Storage Server, you can add the server to the platform for management. See Add Cluster Storage Server for details.