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MongoDB AtlasIncident · 2026-10-20 07:32 UTC

GCP Availability Zone europe-west2-b connectivity issues

ResolvedOfficial update

This incident has been resolved.

The latest update from MongoDB Atlas.

State

Resolved

Started

12 d ago

2026-10-20 07:32 UTC

Lasted

12 h 36 min

until 2026-10-20 20:09 UTC

Worst impact

Degraded

Timeline

4 updates
07:3210:4113:5017:0020:09
DegradedUpdate postedTimes in UTC

Identified

4 h 11 min 33%

Monitoring

8 h 25 min 67%

Updates

Times in UTC

As posted by MongoDB Atlas

Resolved2026-10-20 20:09 UTC

This incident has been resolved.

Monitoring2026-10-20 11:43 UTC

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

Identified2026-10-20 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

Identified2026-10-20 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.

Affected components

1
MongoDB Cloud

MongoDB Atlas in the last 90 days

Full history
90 days agoToday

Incidents in 90 days

14

Days with an incident

90

Median duration

5 h

This incident

2.5× the median

How long each incident lasted, on the day it started. The outlined bar is this incident.

59 days
median 5 h
90 days agoToday

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