I have the exact same issue. It works to authenticate other devices but when I try authenticating Teams or Outlook on my iPhone 12 with iOS 16 the authenticator app crashes. I tried registering the Authenticator app - but then it crashes (it shows up as registered after).
Issue with Microsoft Authenticator on iPhone 11 - iOS 16.0.2
It seems that Microsoft Authenticator crashes when tries to send the response back to Outlook/Teams.
This happened suddenly yesterday.
I tried deleting the app and downloading again, with fresh setup of accounts within, with no luck.
Can you please assist ?
Microsoft Security Microsoft Authenticator
9 answers
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Niclas Fridsén 1 Reputation point
2022-10-05T17:19:04.28+00:00 Had the same problem, under settings, dervice registration, unregister the device. I’m now able to add accounts again :-)
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Joakim R 1 Reputation point
2022-10-05T17:24:01.8+00:00 Tried that.. Didn't help..
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JimmySalian-2011 42,491 Reputation points
2022-10-06T12:09:08.84+00:00 Hi All,
I understand this is a known issue affecting many individuals now, so I will suggest you to raise a case/support with Microsoft to start a investigation on this.
Contact Info
https://azure.microsoft.com/en-ca/support/create-ticket/Hope this helps.
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