Duo - Reconnect Apple Mail app after 2FA enrollment

Description

If a UCO email account was added to the Apple Mail app on iPhone or iPad before Duo 2FA enrollment, it is likely that the app will prompt for the UCO password after Duo enrollment and will continue prompting even when the correct password is entered. To resolve this Apple Mail issue, it is necessary to remove the UCO account from Apple Mail and then add it back. This configures Apple Mail to use the newer and more secure "Modern Auth", a requirement for UCO email authentication once Duo is added to an account.

Instructions

  1. On your iPhone navigate to the Settings App.
  2. Scroll down to the Mail App📧. 

     
  3. Select Accounts.

     
  1. Select Exchange Account.

     
  2. Select Delete Account in red at the bottom.

     
  3. Select Add Account.

     
  4. Select Microsoft Exchange.

     
  5. Type in your uco.edu email address and press Next.

     
  6. When the prompt "Sign in to your "uco.edu" Exhange account using Mircosoft?" pops up select Sign In.

     
  7. A federation.uco.edu webpage will launch.  Type in your uco.edu credentials and select Sign in.

     
  8. A Duo prompt page will appear, select the form of authentication that you desire.

     
  9. Approve the authenication push.  If Send Me a Push was selected look for the notification to pop up.

     
  10. Select Approve in the Duo App.

     
  11. Back in the Mail settings you will see the setting of the Exchange app. Select Save.

     
  12. In the Mail App you will see your Exchange account re-added and reconnected to your uco.edu email.

     
  13. Congratulations, you have now successfully reconnected your Mircosoft Exchange account back to your integrated iOS mailbox.

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