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Office 365 Service Degradation


We are aware of an Office 365 service degradation. Users are receiving a Security Alert error message for whenever they launch the desktop version of Microsoft Office. The error message states that “there is a problem with the site’s security certificate.” Our admins are investigating this issue.

Status: Resolved


Microsoft identified the root cause and suggests that users quit and relaunch Outlook. The error message should not pop up again.

Contact the OIT Help Desk if you have questions or further issues.

Updated on: May 19, 2020 1:04 pm

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