Basically that is all you need to do. You'll need to generate your new cert and import it into the certificate manager within windows, make sure you do it for the computer and not for just the user. this needs to be done on all brokers, load balnacers and security servers. Restart the services when you are done and it should all work. Also you need to ensure that the "external URL" that is defined on the SS and CS are the same as what you've requested the cert for.
More info here
Also if you have zero clients you need them to trust the cert you are installing as well
VMwareAmI: Teradici Firmware version 4 and Certificates
-Brad
