Incident Discovery Time: 01:00pm on 05/13/2020 Time of Resolution: 03:00pm on 05/13/2020 Services Impacted:

Description of Impact

Office 365 clients were receiving an error when trying to log into Outlook on the web. Service has been restored.

Incident Description and Resolution

The vendor has resolved the incident.

Additional Information

The cause of this incident was determined to be a change that Microsoft implemented. If you continue to have issues, please contact the IT Help Center.

Previous Update

Incident Discovery Time: 01:00pm on 05/13/2020 Services Impacted: Email & Calendaring

Description of Impact

Office 365 clients are receiving an error when trying to log into Outlook on the web.

Current Status

Microsoft found the problem and are in process of rolling back the change that caused it: Current status: Additional investigation determined that a recent change contained a code regression that resulted in authentication failures within the Outlook on the web. We’ve disabled the deployment and are currently in the process of rolling the affected change back to mitigate impact. Next Update: 04:00pm

Previous Update

Incident Discovery Time: 01:00pm on 05/13/2020 Services Impacted: Email & Calendaring

Description of Impact

Office 365 clients are receiving an error when trying to log into Outlook on the web.

Current Status

The vendor is investigating the issue as it is being seen by multiple clients. Next Update: 03:00pm