For ESXi 6.0 and later hosts that are in VMCA mode or custom mode, you can view certificate details from the vSphere Web Client. The information about the certificate can be helpful for debugging.
- Browse to the host in the vSphere Web Client inventory.
- Click the Manage tab and click Settings.
- Select System, and click Certificate.
You can examine the following information. This information is available only in the single-host view.
The subject used during certificate generation.
The issuer of the certificate.
Date on which the certificate was generated.
Date on which the certificate expires.
Status of the certificate, one of the following.