An expired SSL certificate on an Exchange server may cause cumulative update installation to fail, leaving the server non-functional.
How to correctly configure the TlsCertificateName on Exchange Server receive connectors to allow SMTP clients to securely authenticate without errors.
How to export and import an SSL certificate between multiple Exchange Server 2016 or 2013 servers
Can you re-use the same SSL certificate from Exchange Server 2013 or Exchange 2010 for your new Exchange 2016 servers?
Exchange Server setup may fail with an error message that the service ‘WMSVC’ failed to reach status ‘Running’ on the server due to a missing WMSVC certificate.
How to enable an SSL certificate to be used by Exchange Server 2016 for different services.
How to complete a pending SSL certificate for Exchange Server 2016.
Outlook may display a security alert with certificate warning messages after installing Exchange Server 2016 into your environment.
How to use the Exchange Admin Center to generate an SSL certificate request for Exchange Server 2016.
How to plan the SSL certificate requirements for Exchange Server 2016, request a certificate, and deploy it to your Exchange 2016 servers.