Symptoms:
Getting the following message when trying to use the update function in the VCSA management interface.
Error in method invocation ({'id': 'com.vmware.appliance.update.manifest_verification_failed', 'default_message': 'Manifest verification failed', 'args': []}, 'Verification Failure\n', '')
VMware vCenter Server 7.0.x
In order to resolve the issue perform the following: