Microsoft 365 services fall over in North America

"According to affected users, the outage started at 1810 UTC on October 9 and affected all Microsoft 365 services including Teams. The outage was brief, and just over an hour later, Microsoft confirmed that everything was back to normal. Several users attributed the problems to the AT&T network, although neither Microsoft nor the telco have confirmed this. Other users reported that switching to a backup circuit restored services."

"Regarding the debacle in North America, Microsoft stated that it had "rerouted the impacted traffic to healthy infrastructure" before eventually confirming the issue as resolved. The company's Admin Center said: "We're analyzing configuration policies and traffic management processes on the affected network infrastructure to identify necessary refinements and increase resilience in the event of future incidents." It did not call out any particular network provider in its updates."

Microsoft 365 services in North America experienced a brief outage beginning at 1810 UTC on October 9 that affected all services including Teams. The outage lasted just over an hour before normal operations resumed after traffic was rerouted to healthy infrastructure. Microsoft identified a misconfigured portion of network infrastructure in North America as the cause. Some users attributed the outage to the AT&T network, though neither Microsoft nor the carrier confirmed that linkage. Other users restored connectivity by switching to backup circuits. Microsoft said it is analyzing configuration policies and traffic management processes to refine procedures and increase resilience.

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