Cluster replication relies on a scheduler (currently this is handled by Quartz) to run tasks to keep the nodes in sync. The Scheduler causes events to fire at designated times, similar to cron or Windows Task Manager.
|The health check passed successfully.||The Scheduling Service is running.|
|Task scheduler is not running - ||The task scheduler is not reported in the expected state (|
|If the scheduler is not running.|
The only way to restart the scheduler is to restart the instance. It's recommended to collect some thread dumps prior to doing so (if Atlassian Support will be contacted) as per Generating a Thread Dump.