Azure AD Suffers Another Big Authentication Outage

From reports a problem with Teams

Microsoft 365 users around the world were underimpressed on Monday, March 15 when Azure AD authentication requests failed to block their access to apps like Teams and Exchange Online. started to report problems with users being unable to sign into Teams and other Office 365 apps around 19:00 UTC. The number of reports grew rapidly (Figure 1) for incident MO244568.

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