RESOLVED: Phone Calls and SMS Messages Unavailable in Duo

Update: 11:55am: We’ve just heard from Duo that this issue has been resolved and people can once again authenticate to Duo via phone calls and SMS (text) messages. Thank you for your patience while Duo identified and resolved this issue.

Please contact the Help Desk if you have any further questions or concerns, or if you notice anything wonky.

As of early this morning, Duo has been experiencing issues with using phone calls and SMS (text) messages as a way to authenticate via Duo. Duo is aware of the issue and is working on it, but as of now there is no ETA for a fix.

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We will update again as we have more information. You can also see updates directly from Duo here:

Please contact the Help Desk with any questions: 610-526-7440 or