# MongoDB Atlas: Authentication failures when running search queries for some clusters

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-05-23 19:48 UTC · Resolved: 2026-05-24 02:05 UTC · Duration: 6.3 h
- Updates: 4 · Affected components: MongoDB Cloud, MongoDB Atlas Search
- [Vendor status page: https://stspg.io/9xrc36hrrnmx](https://stspg.io/9xrc36hrrnmx)
- [Company: MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)

## Timeline of updates

- **investigating** 2026-05-23 19:48 UTC: We are investigating an issue impacting some clusters that causes search queries to fail with authentication failures.
- **identified** 2026-05-23 20:14 UTC: We have identified the root cause of the search query failures and are working on a mitigation for impacted clusters. Clusters with dedicated search nodes are unaffected. Some clusters with colocated search nodes may see search query failures.
- **monitoring** 2026-05-24 00:14 UTC: We have resolved the issue for all impacted clusters. We continue to monitor the fleet for any residual impact.
- **resolved** 2026-05-24 02:05 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/mongodb-atlas/incidents/t2tkv1n35tx0 · Markdown: https://rewindex.com/company/mongodb-atlas/incidents/t2tkv1n35tx0.md · JSON: https://rewindex.com/api/v1/companies/mongodb-atlas/incidents/t2tkv1n35tx0 · Generated 2026-10-18T10:35:31.254Z