From CNET: Microsoft experienced an outage across its Azure and Microsoft 365 services Wednesday that disrupted a wide range of operations worldwide, from banks to airlines to gaming platforms. The downtime came a little more than a week after a massive internet outage tied to another big cloud provider, Amazon Web Services.
The outage lasted approximately 8 hours, through much of the US workday. It began a little before 9 a.m. PT (12 p.m. ET) and was finally mitigated around 5 p.m. PT, Microsoft said in a preliminary post-incident review posted to its Azure status page.
According to outage reporting site Downdetector, the outage affected Microsoft Outlook, Xbox, Zoom, Halo Infinite, Minecraft and many other sites. (Downdetector is owned by the same parent company as CNET, Ziff Davis.)
Downdetector showed almost 19,000 outage reports from users on Azure at its peak, and more than 11,000 on Microsoft 365.
In its review post, Microsoft said that a faulty configuration change to a content delivery network, called Azure Front Door, set the disruption in motion. When that happened, the company said, "a significant number of AFD nodes to fail to load properly, leading to increased latencies, timeouts, and connection errors for downstream services."
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