For the steps required to create or modify a role and select privileges in the vSphere Client (HTML-5), see the VMware vSphere documentation
Assign a user to the newly created role after you define a role and select privileges for the role.
For more information about assigning a role to privilege, see the VMware vSphere documentation.
A vCenter Server non-administrator user with the required privileges can now register and/or unregister vCenter, modify credentials, or update the certificate.
Register a vCenter server using a non-administrator user with the required privileges.