Microsoft restores Azure after global Front Door outage
Microsoft restored Azure late Wednesday after a global outage that began about 12 p.m. ET and disrupted Azure Front Door, causing widespread timeouts and errors.
Microsoft restored Azure services late Wednesday after a global outage that began about 12 p.m. ET and affected customers and Microsoft services that use Azure Front Door, the company reported. The interruption blocked traffic and produced timeouts and errors for applications that rely on the global content and application delivery network.
Microsoft posted that error rates and latency have returned to pre-incident levels, but engineers are continuing work to clear a long tail of residual issues and some customers may still experience problems. In its status update, Azure posted: "While error rates and latency are back to pre-incident levels, a small number of customers may still be seeing issues, and we are still working to mitigate this long tail."
A range of businesses reported impacts during the outage. Alaska Airlines said key systems, including its website, were disrupted and were being brought back online after Microsoft’s fix. London’s Heathrow Airport restored its website following earlier issues. Telecom firm Vodafone reported service impacts. Microsoft identified affected offerings that included Azure Communication Services and Media Services; Microsoft 365 experienced downstream effects before Microsoft confirmed the configuration-related problem had been resolved.
An outage-monitoring service tracked user reports that peaked at more than 18,000 for Azure and nearly 20,000 for Microsoft 365. By late evening the counts had dropped to roughly 230 reports for Azure and 77 for Microsoft 365. Those figures are based on user-submitted reports and may not represent the full number of affected customers.
Microsoft did not provide technical details about the configuration change that triggered the outage in its initial public notices. Company teams remained engaged to address remaining errors for customers and to restore full service stability.
As GNcrypto covered previously, a recent Amazon Web Services (AWS) outage disrupted many consumer apps and websites earlier this month, underscoring that outages at major cloud providers can cause wide-ranging interruptions across industries.
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