Last Modified: Nov 22, 2021
Opened: Jul 30, 2019
When the active BIG-IQ in a high availability (NA) configuration fails over to the standby BIG-IQ, onboarding tasks for new BIG-IP Virtual Edition (VE) devices fail with an error message: Failed to complete onboarding task: null: Unknown response format found. code: 500, message: empty. See log for details.
Onboarding BIG-IP VE task fails after BIG-IQ failover.
-- After a BIG-IQ HA failover happens. -- Attempting to onboard BIG-IP VE devices.
To work around this issue, login to the currently-active BIG-IQ through SSH and run the command: bigstart restart restnoded