Office 365 experienced an issue.

Start Date: Feb 23, 2026 9:52 AM
End Date: Feb 23, 2026 11:59 AM

3rd Party outage. Details from Microsoft Issue MO1237461:

Users may experience issues when trying to access services that require Multi-Factor Authentication (MFA)

Issue ID: MO1237461

Affected services: Microsoft 365 suite

Status: Service degradation

Issue type: Incident

Start time: Feb 23, 2026 at 9:52 AM EST

User impact

Some users may experience issues accessing Microsoft 365 services, particularly during sign‑in or authentication.

Scope of impact

This issue may affect any user within your organization. We've confirmed the following region(s) are impacted by this issue: North America. Additional impacted region(s) may be included as our investigation continues.

Current status

Feb 23, 2026 at 10:26 AM EST

We're investigating reports of impact to M365 services and we're analyzing service telemetry to identify the specific source of the issue, and any next steps to mitigate impact.

Next update by:

Monday, February 23, 2026 at 11:30 AM EST