An error occurred during host configuration: /usr/sbin/esxupdate returned with exit status: 7."The ESXi VIB installation will fails because the vSphere Replication certificate configured using a short hostname instead of the Fully Qualified Domain Name (FQDN).
/var/log/vmware/vpxd/vpxd.log file on vCenter reported the following error, confirming the failure during VIB installation:YYYY-MM-DDTHH:MM.SSSZ error vpxd[07218] [Originator@6876 sub=Default opID=fe44c13d-fd4c-42cb-bcef-081e212dff69-HMSINT-75-eb] [VpxLRO] -- ERROR task-19756 -- ########-####-####-####-############(########-####-####-####-############) -- patchManager-1013 -- vim.host.PatchManager.InstallV2: :vim.fault.PlatformConfigFault--> Result:--> (vim.fault.PlatformConfigFault) {--> faultCause = (vmodl.MethodFault) null,--> faultMessage = <unset>,--> text = "/usr/sbin/esxupdate returned with exit status: 7"--> msg = "An error occurred during host configuration: /usr/sbin/esxupdate returned with exit status: 7."--> }--> Args:-->--> Arg metaUrls:--> (string) []--> Arg bundleUrls:--> (string) []--> Arg vibUrls:--> (string) [--> "https://Replicationserver_Shortname:443/vib/vmware-hbr-agent.vib"--> ]--> Arg spec:-->
var/run/log/esxupdate.log file from ESXi host reports that the ESXi attempted to download the VIB from vSphere Replication URL but the same failed due to inability to resolve the name in the URL:YYYY-MM-DDTHH:MM.SSSZ In(14) esxupdate[25214018]: Opening https://Replicationserver_Shortname:443/vib/vmware-hbr-agent.vib for downloadYYYY-MM-DDTHH:MM.SSSZ Wa(12) esxupdate[25214018]: Download failed: <urlopen error [Errno -3] Temporary failure in name resolution>, 4 retry left...YYYY-MM-DDTHH:MM.SSSZ Wa(12) esxupdate[25214018]: Download failed: <urlopen error [Errno -3] Temporary failure in name resolution>, 3 retry left...YYYY-MM-DDTHH:MM.SSSZ Wa(12) esxupdate[25214018]: Download failed: <urlopen error [Errno -3] Temporary failure in name resolution>, 2 retry left...YYYY-MM-DDTHH:MM.SSSZ Wa(12) esxupdate[25214018]: Download failed: <urlopen error [Errno -3] Temporary failure in name resolution>, 1 retry left...
The vSphere replication VAMI page confirms that the certificate consists short name.