@thousandeyes
Cisco ThousandEyes
3 years
ThousandEyes detected an Azure Active Directory (AD) outage lasting ~1.5 hours from ~00:50 UTC - 2:25 UTC, which may have impacted users around the globe from signing in to Microsoft services like O365. #AzureAD #AzureADOutage
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@thousandeyes
Cisco ThousandEyes
3 years
During the outage, authentication requests were returning HTTP 503 service unavailable errors. Azure reports that it mitigated the issue at ~2:25 UTC by rolling over to redundant infrastructure, which cleared the issue and restored service availability.
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