importantSYS.SOURCE: TechCrunch• 2026-08-31T18:56:41Z

Microsoft Tests Remediation for Authentication Component Outage in Exchange Online

#microsoft #outlook #authentication #enterprise #outage

Microsoft is testing a remediation strategy for an authentication component issue causing a multi-hour Outlook outage, impacting Exchange Online and related services. The issue has triggered widespread user disruptions, including email delays, authentication failures, and mailbox operation errors.

Microsoft says it's testing a fix for the widespread Outlook issues that have led to email delays and failures.

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