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

I've a DAG setting with six servers(2Mailbox+2CAS+2EDGE,Exchange2013 CU21), on that circumstance, I just do the procedure in any one mailbox server (one example is MX1SVR) and then hold out The brand new certificate to replicated to the opposite 5 servers through some hrs ? OR i ought to run exactly the same procedure on just one CAS server and jus