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MongoDB · Data and observabilityJul 23, 2026, 16:21 UTC

Cluster connectivity issues in Azure westus

MajorNot disclosedUpdated 17h ago
Jul 23, 16:21 UTCJul 23, 20:28 UTC
Duration
4h 7m
Impact
Major
Root cause
Not disclosed
MongoDB, 90 days
19 incidents
Affected
MongoDB Cloud
Status page

Final update

Azure has rolled out mitigation for the networking incident affecting the West US region and recovery is complete.

Timeline

  1. Resolved · Jul 23, 20:28 UTC
    Azure has rolled out mitigation for the networking incident affecting the West US region and recovery is complete.
  2. Identified · Jul 23, 18:54 UTC
    Azure is rolling out a mitigation for the ongoing networking incident affecting the West US region, and we are seeing signs of recovery. Some Atlas clusters hosted in Azure West US may continue to experience intermittent connectivity issues, including failures connecting to clusters, issues with communication between cluster nodes, nodes appearing down, and delays to cluster modifications. We are monitoring recovery closely and will provide additional updates as more information becomes available.
  3. Identified · Jul 23, 18:26 UTC
    We are aware of an ongoing Azure networking incident affecting the West US region. Some Atlas clusters hosted in Azure West US may experience intermittent connectivity issues, including failures connecting to clusters, issues with communication between cluster nodes, nodes appearing down, and delays to cluster modifications. Azure is investigating the issue and evaluating mitigation options. We will provide additional updates as more information becomes available.
  4. Identified · Jul 23, 16:38 UTC
    Azure has confirmed that there are networking issues in the westus region. Please follow the official azure status post for more detailed updates https://azure.status.microsoft/en-us/status
  5. Investigating · Jul 23, 16:21 UTC
    We are currently investigating an issue with Azure clusters in westus region. Please refer to the azure status post here for more information https://azure.status.microsoft/en-us/status.

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