When you are configuring SSL certificates for Exchange Server 2013, after you have generated the certificate request and received the SSL certificate from the certificate authority, you then need to complete the pending certificate request.
Sounds familiar? It really does appear that nothing has changed in reference to installing certificates in Exchange Server 2013 compared to Exchange Server 2010.
Paul from Exchange Server Pro.com has just released a tutorial on how to complete a pending certificate request in Exchange 2013. This is a really good read if you have Exchange Server 2013 installed already.
Installing SSL Certificates for Exchange 2013 does appear to be no different from exchange server 2010.
Issue an SSL Certificate for Exchange 2013 from a Private CA – The next steps in the process of configuring SSL certificates for Exchange 2013 are: Complete the pending certificate request on the Exchange 2013 server; Assign the new SSL certificate to services on the Exchange 2013 …