I use a AD FS 2.0 server. It shows it is using two certificates. One is the Primary and a Secondary. The Primary is good for expiration date. The Secondary is out of time and needs renewed. My question is, Do I need the Secondary certificate or can it be allowed to expire? Next question, How can I renew this without messing with the Primary. If I look into the renewal I do not see the option to renew the Secondary with the third party.