Several Microsoft services went down last week due to a DNS-related issue.
What you need to know
Microsoft Teams, Azure, Office 365, Bing, and several other Microsoft services went down last week.
Microsoft already confirmed that the outage was related to a DNS issue.
A more recent report breaks down the root cause of the issue, which was a surge in DNS requests alongside a code defect.
Microsoft services went down last week for many people in the U.S., including Teams, Office 365, Xbox Live, OneDrive and Azure. Briefly after the outage, Microsoft explained that a DNS-related issue was the cause of the issues with Microsoft services. Over the weekend, Microsoft released a root cause analysis report of the issue, which sheds light on what went wrong (via ZDNet).
The report states:
Root Cause: Azure DNS servers experienced an anomalous surge in DNS queries from across the globe targeting a set of domains hosted on Azure. Normally, Azure`s layers of caches and traffic shaping ...
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