To verify you are encountering vCenter/lookup service certificate issues, perform the following checks:
To resolve any certificate mismatch issues, contact VMware Support and note this Article ID (78920) in the problem description. For more information, see How to Submit a Support Request.
For more information on vSphere certificate issues, see:
Impact/Risks:
Warning: Incorrectly updating certificate information of service registrations may break the functionality of that service.