# Grain: Zoom join failures

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2023-12-19 15:33 UTC · Resolved: 2024-01-19 17:40 UTC · Duration: 31 d
- Updates: 5 · Affected components: Grain Recorder
- [Vendor status page: https://stspg.io/vwxyhpkrnp6b](https://stspg.io/vwxyhpkrnp6b)
- [Company: Grain](https://rewindex.com/company/grain.md)

## Summary

Grain reported a critical outage starting 2023-12-19 15:33 UTC: Zoom blocked Grain Recorder from joining approximately 75% of calls. A temporary mitigation appeared successful; Grain later worked with Zoom to deploy a proper fix, reporting no further issues. The incident was resolved 2024-01-19 17:40 UTC, with a recorded duration of 31 days 2 h. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2023-12-19 15:33 UTC: Zoom has started blocking our Recorder from joining calls. We are in discussion with Zoom and we are attempting to work around the issue.
- **investigating** 2023-12-19 15:54 UTC: We are on a conference call with Zoom engineers trying to work around the issue
- **investigating** 2023-12-19 15:56 UTC: We've rolled out a potential short term mitigation and we're monitoring the solution.
- **monitoring** 2023-12-19 18:19 UTC: Our temporary mitigation continues to appear to be successful. Zoom is still investigating the source of the issue as it appears to be a bug on their end causing our bot to be rejected by ~75% of calls. They have proposed a fix that we will be testing over the next 24 hours.
- **resolved** 2024-01-19 17:40 UTC: The team worked with Zoom over the holidays to deploy a proper fix. No further issues have been observed.

## Rewindex changes for this incident

- 2023-12-19 15:33 UTC: [Critical incident: Zoom join failures](https://rewindex.com/change/i3c5311d1248de7.md)


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Canonical: https://rewindex.com/company/grain/incidents/py2fdp73gxwq · Markdown: https://rewindex.com/company/grain/incidents/py2fdp73gxwq.md · JSON: https://rewindex.com/api/v1/companies/grain/incidents/py2fdp73gxwq · Generated 2026-10-18T12:22:21.643Z