Outage report · Partial outage
MongoDB Atlas outage on Jul 23, 2026
Cluster connectivity issues in Azure westus
What happened
MongoDB Atlas reported a partial outage starting Jul 23, 2026, 16:21 UTC, affecting MongoDB Cloud. It was marked resolved at Jul 23, 2026, 20:28 UTC.
- The incident lasted 4h 7m from first report to resolution.
- MongoDB Atlas had reported 3 other partial or major outages in the 90 days before it.
- 11 other vendors we track reported a significant incident within 12 hours of it.
Latest update from MongoDB Atlas
Azure has rolled out mitigation for the networking incident affecting the West US region and recovery is complete.
What our independent monitoring saw
Our independent monitoring of MongoDB Atlas started after this incident, so this report is based on MongoDB Atlas's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
MongoDB Atlas's overall reliability
MongoDB Atlas has a reliability score of 49.4/100, with 97.89% effective uptime and 11 incidents over the last 90 days.
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