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Office 365 service health status


Title: Unable to sign in to Microsoft 365 services User impact: Affected users may be unable to sign in using Multi-Factor Authentication (MFA). More info: Users may also be unable to carry out self-service password resets. Current status: We've confirmed that MFA requests are being processed successfully. We're continuing to monitor the service to ensure that impact has been remediated. Scope of impact: Impact may be experienced by users accessing Office 365 services via Multi-Factor Authentication. Start time: Monday, November 19, 2018, at 4:39 AM UTC Preliminary root cause: A recent update to the MFA service introduced a coding issue that prevented users from being able to sign in or carry out self-service password resets when using MFA for authentication. Next update by: Tuesday, November 20, 2018, at 6:00 PM UTC

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