In the Certificate Import Wizard, follow the steps of the wizard and select / import the uploaded pem file to the Trusted Root Certification Authorities.
To verify the imported certificate, click Console Root Certificates (Local Computer) Trusted Root Certification Authorities Certificates.
Select System Manager CA from certificate detail page.
Verify that the Serial number and the expiratory date of the newly imported certificate matches the System Manager CA.
Restart the Front End server services after completing certificate import.
ADDITIONAL INFORMATION:
For more information, see Restarting the Front End service.