1. Launch the Exchange Admin Center
Click on the start button and then expand Microsoft Exchange Server 2016 and click on Exchange Admin Center.
2. Enter your login details
Enter your login details on the webpage and press enter.
3. Navigate to servers
Click Servers on the left and then certificates on the top.
4. Editing certificate options
Click on a certificate and then either double click the server name or click the pencil button to edit the properties.
7. Save your settings.
Click the Save button to save the settings you configured.