TechnologyOne incident
Unable to access Ci for a subset of Timetabling & Scheduling Users
TechnologyOne experienced a major incident on September 30, 2024, lasting 1h 41m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Sep 30, 2024, 07:39 AM UTC
Our team are currently investigating problems with launching SDB's and ESDB's in the UK region. Further updates will be provided as more detail becomes available
- investigating Sep 30, 2024, 08:07 AM UTC
Our team are continuing to investigate the root cause of the issue. Further updates will be posted as soon as new information becomes available.
- identified Sep 30, 2024, 08:24 AM UTC
The root cause of the problem has been identified and we are working towards a resolution.
- identified Sep 30, 2024, 08:40 AM UTC
A fix is being deployed incrementally, services should return to normal in the next 10-15 minutes for affected environments.
- resolved Sep 30, 2024, 09:21 AM UTC
This incident has been resolved.
- postmortem Oct 14, 2024, 10:13 PM UTC
**Issue Summary** On 30/09/2024, a subset of users experienced errors when attempting to access Timetabling and Scheduling. This typically manifested a browser specific error message. **Root Cause Analysis** The incident was triggered by a change to the network access control list as part of a planned and pre-tested change. **Corrective Actions** Reverted to the prior configuration. **Preventive Measures** Built a programmatic check for configuration update to templates which will be run on any future updates.