THE BEST SIDE OF EXCHANGE CERTIFICATE

I have a DAG natural environment with 6 servers(2Mailbox+2CAS+2EDGE,Exchange2013 CU21), on that case, I just do the process in Anyone mailbox server (one example is MX1SVR) after which you can wait around The brand new certificate to replicated to the opposite five servers all through some hours ? OR i should operate the identical system on one par