Resolved after 5 hours 13 minutes, affecting General, on February 23, 2026.
The gateway issue with Duo authentication has been resolved and we are monitoring. The phone authentication issue is still being investigated by Duo. https://status.duo.com/
Affected components
General
Update timeline
- investigating Feb 23, 2026, 04:16 PM UTC
Authentication issues with Duo are currently affecting access to Microsoft services such as Outlook. Users may be unable to sign in. Status updates: https://status.duo.com/
- monitoring Feb 23, 2026, 06:06 PM UTC
The gateway issue with Duo authentication has been resolved and we are monitoring. The phone authentication issue is still being investigated by Duo. https://status.duo.com/
- resolved Feb 23, 2026, 09:30 PM UTC
This incident has been resolved.
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