Dell Unity: The vCenter certificate is not trusted or Invalid (User Correctable)

Alert: The certificate that is used to access the vCenter is either not trusted or not valid. Verify the validity of the certificate and, if necessary, update it. Verify the certificate from VMware > vCenters under Access. If the problem persists, contact your service provider.

Dell Unity has been upgraded to a new version.
A new certificate has been added to vCenter.

Verify the certificate: ACCESS >> VMware >> vCenters

Customers should check with VMware to ensure the vCenter certificate is valid.
Once confirmed valid, follow the below steps in Unisphere:

ACCESS >> VMware >> vCenters >> select vCenter >> More Actions >> Verify Certificate >>Accept >> Refresh.

If the problem persists, contact the service provider.