HOW EXCHANGE CERTIFICATE CAN SAVE YOU TIME, STRESS, AND MONEY.

I've a DAG atmosphere with six servers(2Mailbox+2CAS+2EDGE,Exchange2013 CU21), on that case, I just do the method in Anybody mailbox server (for instance MX1SVR) after which wait around the new certificate to replicated to another 5 servers throughout some several hours ? OR i need to run exactly the same approach on one particular CAS server and a