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Microsoft: Here’s what caused our recent Azure cloud-computing services outage

April 6, 2021

Via: ZDnet
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Microsoft has revealed the root cause of the recent outage affecting Azure, which lasted about an hour and was due to a surge in Domain Name System (DNS) requests coupled with a code defect.

Users were reporting that Azure Portal, Azure Services, Dynamics 365, and Xbox Live were inaccessible during the worldwide outage between 21:21 UTC and 22:00 UTC on 1 Apr 2021. Microsoft said in its root cause analysis report that the majority of services recovered by 22:30 UTC.

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