Issue
The upgrade window has passed and the upgrade did not start.
Release
Job names are specific to Paris and beyond, however the issue is pertinent to all releases. Prior to Paris, the jobs are named Upgrade and Check Upgrade Script.
Cause
This is due to upgrade jobs set to On Demand or do not exist.
Resolution
- Navigate to sys_trigger.list
- Confirm these two jobs exist and are set up as shown below to initiate the upgrade: