Okta Issue Affecting Access to Microsoft 365 Apps

Update timeline

1. investigating Sep 15, 2026, 10:09 PM UTC

   Some users may experience intermittent issues accessing Microsoft 365 applications, such as Outlook or Calendar, through Okta Single Sign On (PirateNet). Okta is aware of the issue and is working with Microsoft to investigate and restore normal access. The Division of Information Technology is monitoring the situation and will provide updates as more information becomes available.

2. monitoring Sep 16, 2026, 12:03 AM UTC

   Okta reports that the cause of the intermittent access issues affecting Microsoft 365 applications has been identified and a fix is being deployed. The vendor expects the fix to take approximately 48 hours to reach all user accounts. Some users may continue to experience intermittent issues accessing applications such as Outlook or Calendar through Okta Single Sign On (PirateNet) during this time. The Division of Information Technology will continue to monitor the situation and provide updates as more information becomes available.

3. monitoring Sep 16, 2026, 01:38 PM UTC

   The Division of Information Technology continues to monitor the intermittent access issues affecting Microsoft 365 applications through Okta Single Sign-On (PirateNet). A workaround is available for users who encounter a 401 error when accessing Outlook through PirateNet. If the error occurs, remove everything after https://outlook.office365.com in the browser address bar, leaving only https://outlook.office365.com, and press Enter. Outlook should then open successfully. Alternatively, users can access the Microsoft 365 homepage and use the waffle menu in the upper left-hand corner to navigate to Outlook or other Microsoft 365 applications. We will continue to monitor the issue and provide additional updates as more information becomes available.

4. monitoring Sep 18, 2026, 01:18 PM UTC

   Okta has implemented a fix for the intermittent Microsoft 365 access issues, and the rollout across user accounts is underway. Users may continue to experience intermittent access issues while the rollout is completed, which may take up to an additional 24 hours. Workaround: If you encounter a 401 error when accessing Outlook through PirateNet, remove everything after https://outlook.office365.com in the browser address bar, leaving only https://outlook.office365.com, and press Enter. Outlook should then open successfully. You can also access the Microsoft 365 homepage and use the waffle menu to navigate to Outlook or other Microsoft 365 applications. The Division of Information Technology will continue to monitor the issue and provide updates as more information becomes available.

5. resolved Sep 18, 2026, 08:09 PM UTC

   Okta reports steady recovery following the deployment of a fix and continues to monitor services for stability. If you experience any further issues accessing Microsoft 365 applications through PirateNet, please contact the Technology Service Desk.