How do I resolve Duo error "NSURLErrorDomain -1200"


Users may experience an error when using Duo push on iOS, that states "Error: Something unexpected happened. Please contact your helpdesk. NSURLErrorDomain -1200".

Duo error NSURLErrorDomain


Resolve NSURLErrorDomain error

This can happen if the iOS device is connected to AirVandal Guest. This can be resolved in two ways:

  1. Connect the device to a wireless network that has full Internet access, such as Eduroam or AirVandal Gold
  2. Use the "Enter a Passcode" feature at the Duo prompt in the application
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Article ID: 2665
Thu 6/22/23 7:27 AM
Thu 6/22/23 7:30 AM