Outage report · Partial outage
MongoDB Atlas outage on Mar 1, 2026
Impaired Cluster Operations – AWS me-central-1 (United Arab Emirates) and AWS me-south-1 (Bahrain)
What happened
MongoDB Atlas reported a partial outage starting Mar 1, 2026, 19:30 UTC, affecting MongoDB Cloud. It was marked resolved at Sep 3, 2026, 16:47 UTC.
- The incident lasted 185d 21h from first report to resolution.
- It was the longest significant outage MongoDB Atlas reported in the 12 months up to it.
- MongoDB Atlas had reported 1 other partial or major outage in the 90 days before it.
- 12 other vendors we track reported a significant incident within 12 hours of it.
Latest update from MongoDB Atlas
While we are marking this issue as resolved, the issue actually remains ongoing. We are marking this as resolved to improve the experience of users on our status page. The latest information from AWS remains available at https://health.aws.amazon.com/health/status We will update this post as necessary. Thanks in advance for your understanding.
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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