Technical Note: Unable to update FortiGuard DDNS when a unit has been replaced
Description
Scope
Solution
This article provides some basic troubleshooting steps where an administrator encounters a failure on update even though the unit has made a request to FortiGuardDDNS with a new serial number.
Generally, the domainname must unregistered on previous unit for security reason.
Generally, the domainname must unregistered on previous unit for security reason.
Scope
Failure to update FortiGuard DDNS after hardware replacement.
Solution
Make sure that the correct configuration has been set on the unit and run "diag debug application ddnscd -1" command.
Check the logs which describe the request that was sent to the FortiGuard server giving required data such as serial number, domain name and ip address.
If the cause of the failed update cannot be determined, and the issue continues with the unit, then contact technical support and provide the following information:
DDNS domain
Old SN
New SN
Configuration file
Result of debug command
Check the logs which describe the request that was sent to the FortiGuard server giving required data such as serial number, domain name and ip address.
If the cause of the failed update cannot be determined, and the issue continues with the unit, then contact technical support and provide the following information:
DDNS domain
Old SN
New SN
Configuration file
Result of debug command