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No DUO prompt for Mobile Phone Email Apps

aalborz
Level 1
Level 1

We have enabled Microsoft OWA Application within DUO. It works only for OWA for computer users. However, Phone users (Apple & Android) can still access company webmail without being prompted for DUO 2FA, using the built-in email app or any app on App Store or Play Store.
I understand this is a limitation of DUO’s Microsoft OWA Application, but just wondering what others are using to address this situation.

5 Replies 5

BabbittJE
Level 1
Level 1

Are you able to use DAG instead of DUO for OWA? With my DAG, I enabled Office 365 protection and it prompted me once to enter my credentials via DAG. After that, no longer prompts but too soon to tell if it’ll re-prompt after a certain amount of time has passed, e.g., 90 days.

aalborz
Level 1
Level 1

Is “DAG” another/alternative application offered by DUO? Btw we’re not on O365. We’re running Exch 2010.

DAG works with multiple applications, e.g., O365, LastPass, 3rd-party authentications (e.g., Google Authentication), many more.

jamieis
Cisco Employee
Cisco Employee

Hi there @aalborz,

This section from our OWA FAQ might help you: https://duo.com/docs/owa-faq#is-the-owa-for-ios-app-supported?

DuoKristina
Cisco Employee
Cisco Employee

Microsoft’s Hybrid Modern Authentication for Exchange lets you use federated logins for on-premises Exchange access. The federation STS could be AD FS, or a Duo IdP like Duo Single Sign-On.

Edited to note that while we qualify Duo SSO as an IdP for Azure, we haven’t done so for the full Hybrid Modern Authentication deployment (the on-prem Exchange parts).

Duo, not DUO.
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