MongoDB Atlas incident: GCP Availability Zone europe-west2-b connectivity issues

Affected components

• MongoDB Cloud

1. resolvedOct 20, 2026, 20:09 UTC

   This incident has been resolved.

2. monitoringOct 20, 2026, 11:43 UTC

   We are seeing signs of Availability Zone connectivity improving and are continuing to monitor.

3. identifiedOct 20, 2026, 08:38 UTC

   The Google Cloud status page has been updated to report further information, follow this link for details https://status.cloud.google.com/incidents/Xs2XTHzAVC9YnafnPyzj

4. identifiedOct 20, 2026, 07:32 UTC

   Since 0600 UTC we have observed cluster node connectivity issues isolated to a single availability zone, GCP europe-west2-b. Atlas clusters are distributed across multiple AZs and 3-node clusters can continue to serve reads and writes from nodes in the other 2 Availability Zones in this region. We are working with our partners to resolve the cause of the issue and restore service to the affected nodes.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in MongoDB Atlas's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Snowflake: INC20000294Critical · Oct 20, 2026, 06:34 UTC
• 1Password: High error rate on 1Password.comMajor · Oct 16, 2026, 23:45 UTC
• Elasticsearch: Degraded availability for some Elastic Cloud Hosted and Serverless deployments in GCP europe-west2 (London)Major · Oct 20, 2026, 06:51 UTC
• Contentful: Insights Dashboard failing to loadMajor · Oct 20, 2026, 07:22 UTC
• Netlify: Agent Runner failuresMajor · Oct 20, 2026, 07:47 UTC
• Shippo: Canada Post Service DegradationMajor · Oct 20, 2026, 11:20 UTC
• Grafana Cloud: Some GCK6 App Project Pages are Failing to LoadMajor · Oct 20, 2026, 14:36 UTC
• Confluent Cloud: Multiple Confluent Cloud services are in a degraded state - GCP EU-West2Major · Oct 20, 2026, 14:46 UTC
• Sentry: Sentry.io not loadingMajor · Oct 20, 2026, 18:20 UTC
• Notion: Unable to install connections created by other workspace membersMajor · Oct 20, 2026, 18:46 UTC

How often does MongoDB Atlas have incidents?

MongoDB Atlas reported 9 incidents in the last 90 days, 4 of them major or critical. A typical incident lasted 5h. See MongoDB Atlas's uptime and incident history