[x.x.x.x] Unable to connect to File /repository/4.2.3.0.0.24866349/Manager/ovf/nsx-unified-appliance-secondary.vmdk on source x.x.x.x. Please verify that file exists on source and install-upgrade service is up.INFO RepoSyncThread Command to check if remote file exists for https://x.x.x.x:443/repository/4.2.3.0.0.24866349/Manager/ovf/nsx-unified-appliance-secondary.vmdk returned result Command ResultImpl [commandName=null, pdi=xxxxx, status=FAILED, errorCode=60, errorMessage=curl_wrapper: (60) certificate has expired, commandOutput=null]ERROR RepoSyncThread Unable to start repository sync operation. See logs for more details.VMware NSX
API certificates are expired. So manager node could not sync repository with the manager which upgrade-coordinator is running on.
Refer document https://techdocs.broadcom.com/us/en/vmware-cis/nsx/vmware-nsx/4-1/administration-guide/certificates/importing-certificates/replace-certificates-through-api.html to replace API certificates.