Unable to verify certificate for vCenter on Horizon View Connection Server

Recently during an outage of my host during to hardware issue in my home lab where my vCenter 6.0 sit on it, resulted some strange behaviour on my View Connection Server 6.1. I encounter the below error message: When I go to my Horizon View Dashboard, it looks fine. When I try to remove the vCenter entry under the Server options and adding it back I end up with another error when trying to add the View Composer. However this is not related to the strange behaviour above. But rather this is due to my login did not contain a domain\username but instead of use just username . Back to the strange behaviour. It seems my connection to my vCenter via Connection Server has a sudden slowness and the certificate seems to be corrupted. I tried to find a solution to replace the self-signed (in my case) certificate on my View Connection Server however in vain. I tried removing the vCenter and re-adding it back, that does not help. So I chanced upon some ...