Virtualization And Cloud Computing

 Issue: Unable to add the vCenter endpoint to the usage meter due to certificate error Error: There was a problem checking the certificate vCenter fqdn :443 .Unexpected exception :java.net.UnknownHostException: fqdn of vCenter Actions performed:  1.Checked the root certificate on the vCenter and machine SSL ,SAN names etc 2. Running an openssl command  from Usage meter using the IP address of the vCenter returns the certificate  3. Running and opnessl command from Usage meter using the vCenter FQDN fails to resolve and unable to fetch the vCenter certificate. Resolution : 1.SSH into the Usage Meter appliance using root 2.Took a backup of /etc/hosts file 3.Added the IP address and the FQDN of the vCenter after which vCenter was successfully added to the Usage Meter.