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Two-step verification suddenly required for mail apps?

%3CLINGO-SUB%20id%3D%22lingo-sub-36833%22%20slang%3D%22en-US%22%3ETwo-step%20verification%20suddenly%20required%20for%20mail%20apps%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-36833%22%20slang%3D%22en-US%22%3E%3CP%3EEnjoying%20the%20quiet%20here%20at%20the%20end%20of%20the%20week%20before%20the%20holidays%2C%20when%20out%20of%20the%20blue%20a%20user%20gets%20this%20message%20in%20Mail%20on%20their%20iPhone%3A%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-center%22%20style%3D%22width%3A%20225px%3B%22%3E%3CIMG%20src%3D%22https%3A%2F%2Fgxcuf89792.i.lithium.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F9515i040D87F3E5C4BC66%2Fimage-size%2Fmedium%3Fv%3D1.0%26amp%3Bpx%3D400%22%20alt%3D%22download_20161222_153633.png%22%20title%3D%22download_20161222_153633.png%22%20%2F%3E%3C%2FSPAN%3EThey're%20currently%20unable%20to%20send%20or%20receive%20emails%20from%20their%20phone.%20I've%20looked%20around%20at%20all%20of%20our%20settings%2C%20but%20we%20don't%20have%20two-factor%20enabled%20for%20anyone%20right%20now%2C%20so%20I'm%20stumped.%20I%20haven't%20heard%20reports%20from%20any%20other%20users%20(though%20a%20lot%20of%20them%20use%20the%20Outlook%20app)%2C%20but%20I%20haven't%20changed%20any%20of%20our%20Exchange%20or%20Security%20setting%20in%20a%20few%20weeks%2C%20either%2C%20so%20I'm%20not%20sure%20what%20would%20have%20triggered%20this%20all%20of%20a%20sudden.%20Any%20thoughts%20before%20I%20open%20a%20support%20ticket%3F%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-36833%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EExchange%20Online%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EOffice%20365%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-37139%22%20slang%3D%22en-US%22%3ERe%3A%20Two-step%20verification%20suddenly%20required%20for%20mail%20apps%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-37139%22%20slang%3D%22en-US%22%3E%3CP%3EThanks.%20I%20checked%20the%20device%20quarantine%20and%20this%20users's%20device%2C%20along%20with%20several%20others%2C%20had%20managed%20to%20find%20their%20way%20into%20the%20quarantine.%20I%20used%20the%20PowerShell%20commands%20from%20your%20blog%20to%20verify%20that%20the%20user's%20device%20actually%20did%20get%20removed%20from%20the%20quarantine.%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-37065%22%20slang%3D%22en-US%22%3ERe%3A%20Two-step%20verification%20suddenly%20required%20for%20mail%20apps%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-37065%22%20slang%3D%22en-US%22%3EHey%2C%20i%20had%20the%20same%20issue.%20I%20had%20wrote%20my%20experience%20on%20my%20Blog%20page.%20It's%20German%20but%20it%20may%20helps%3A%3CBR%20%2F%3E%3CBR%20%2F%3E%3CA%20href%3D%22http%3A%2F%2Fasichel.de%2F2016%2F11%2F09%2Foffice-365-exchange-online-active-sync-device-in-quarantaene%2F%22%20target%3D%22_blank%22%20rel%3D%22nofollow%20noopener%20noreferrer%20noopener%20noreferrer%22%3Ehttp%3A%2F%2Fasichel.de%2F2016%2F11%2F09%2Foffice-365-exchange-online-active-sync-device-in-quarantaene%2F%3C%2FA%3E%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E
Frequent Contributor

Enjoying the quiet here at the end of the week before the holidays, when out of the blue a user gets this message in Mail on their iPhone:

 

download_20161222_153633.pngThey're currently unable to send or receive emails from their phone. I've looked around at all of our settings, but we don't have two-factor enabled for anyone right now, so I'm stumped. I haven't heard reports from any other users (though a lot of them use the Outlook app), but I haven't changed any of our Exchange or Security setting in a few weeks, either, so I'm not sure what would have triggered this all of a sudden. Any thoughts before I open a support ticket?

2 Replies
Solution
Hey, i had the same issue. I had wrote my experience on my Blog page. It's German but it may helps:

http://asichel.de/2016/11/09/office-365-exchange-online-active-sync-device-in-quarantaene/

Thanks. I checked the device quarantine and this users's device, along with several others, had managed to find their way into the quarantine. I used the PowerShell commands from your blog to verify that the user's device actually did get removed from the quarantine.

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