Celonis experienced a major incident on May 29, 2026, lasting 5h 36m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating May 29, 2026, 01:16 PM UTC
Customers may be experiencing increased errors and latency for Azure OpenAI LLM usage like GPT-4o or GPT-5, including products like Annotation Builder and Process Copilots. Our teams are fully engaged working on restoration. We apologise for the inconvenience.
- resolved May 29, 2026, 02:41 PM UTC
The issue has been resolved, and everything should be working normally now. We're continuing to monitor closely to make sure everything stays stable. Thank you for your patience while we worked through this.
- investigating May 29, 2026, 03:44 PM UTC
We are seeing a recurrence of the issue affecting AI Services performance like Annotation Builder and Process Copilots. Our engineering team has been engaged and is actively working towards restoration. We apologise for the inconvenience.
- resolved May 29, 2026, 06:52 PM UTC
We've now resolved the incident. Thank you for your patience.