Atlas Cluster Degraded Status in Azure South Africa West and Azure South Africa North

This incident has been resolved.

Affected clusters have remained reachable since the upstream configuration change was deployed.

We will continue to monitor for regressions.

Azure and ISP partners have applied a configuration change and we are observing connectivity restoration in South Africa West and South Africa North.

Atlas engineers are continuing to monitor the situation.

Azure has identified the root cause of the issue and has escalated the issue to the ISP impacting connectivity. At this point in time there is no ETA to resolution.

Due to ongoing issues, Atlas Clusters in Azure South Africa West and Azure South Africa North may experience delays creating, modifying, or executing scheduled actions such as backups. Atlas Clusters will continue to show degraded status in the UI.

We are continuing to actively investigate the IP accessibility issues with Azure support.

We will provide another status update in at most 8 hours. We will provide a status update earlier if possible as our investigation progresses.

Some Azure external IP address ranges used in the Azure South Africa West and Azure South Africa North regions are currently inaccessible from certain segments of the internet. These networking issues can cause specific Azure public IP ranges to be unreachable from select networks, even though they should be globally routable.

We are escalating the issue with Azure and continue to investigate.

Atlas Clusters in Azure South Africa West and Azure South Africa North are still reporting degraded status and we continue to investigate the issue.

Atlas Clusters in Azure South Africa West and Azure South Africa North are reporting degraded status as of 2025-05-13 23:50:00 UTC. We are investigating the issue.