You can manage certificates from the vSphere Client.

Procedure

  1. Log in to a vCenter Server as a user with administrator privileges in the local vCenter Single Sign-On domain.
    The default domain is vsphere.local.
  2. Select Administration.
  3. Under Certificates, click Certificate Management.
    The Machine SSL Certificate and Trusted Root Certificates panels appear.
  4. Perform certificate tasks, such as viewing certificate details, renewing the Machine SSL certificate, adding a Trusted Root certificate, and so on.