Ignition servers configured to use NTP (Network Time Protocol) for clock synchronization may experience unexpected delays in system restart or database synchronization.
When an Ignition server is restarted certain core system services can only be started if services they are dependent on have initialized. Such services may be subject to a holdback timer. The holdback timer is set based on the system clock in effect at the time; the holdback_time. If the NTP clock source it set to a point in the past and this synchronization occurs after the holdback_time is set, the affected service(s) will effectively wait until the system clock reaches the future holdback_time.