In fact, there can be two scenarios when existing SSL certificate expired (or is about to expire) and
customer issues a new certification signing request but the RSA private key remains the same. There is no need to renew it on AMD end then.
customer issues new RSA private key and installs it together with new signed certificate. In such case it's essential for web server admin to also notify DC-RUM system admin as the new private key needs to be updated on AMD end then.