DUO Outage

Resolved Alert:

DUO 2FA authentication services have been restored. Login to applications using DUO (eg. Patriot Web, CAS enabled applications, VPN) are now working. We apologize for the inconvenience.

If you have any questions or concerns, please contact the ITS Support Center at 703-993-8870 or via email at support@gmu.edu.

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Initial Alert:

DUO, our cloud vendor for 2FA is currently experiencing a service outage causing intermittent authentication issues. This affects all Mason services using DUO.  ITS is working with DUO while they are investigating and working to correct the issue.

If you have any questions or concerns, please contact the ITS Support Center at 703-993-8870, or via email at support@gmu.edu. 


If you have any questions or concerns, please contact the ITS Support Center at 703-993-8870, or via email at support@gmu.edu.