I happened across this while skimming our application logs. It shows up as an error in the application log, does not correlate to a logon event and there is nothing in the DUO logs on the client. Doesn’t appear to have any negative effects just hate...

While rolling out the Windows client I had a user whose client would not prompt for MFA even though it was installed with the correct IKEY,SKEY and proxy configurations. While troubleshooting we saw this error in the client log: 06/08/17 15:07:21 (89...