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"User Authenticated But Not Connected" Error

Thunderbird for Android Conectividade
schro.cat replied
msaedwards2021
msaedwards2021

I've been using Thunderbird since it was first made available for Android, and I've used it successfully until recently. I have a new Outlook email address that I cannot sign into even though the Outlook email I have been using with Thunderbird since the beginning has never given me any issues. I get the "user authenticated but not connected" error. What can I do to resolve this issue so that I can have all my emails together in one app. Just to make things clear my old Outlook account which uses the email in writing you from connects flawlessly. It's a new one that is giving me issues. Any help would be greatly appreciated. Thank you for your time.

I've been using Thunderbird since it was first made available for Android, and I've used it successfully until recently. I have a new Outlook email address that I cannot sign into even though the Outlook email I have been using with Thunderbird since the beginning has never given me any issues. I get the "user authenticated but not connected" error. What can I do to resolve this issue so that I can have all my emails together in one app. Just to make things clear my old Outlook account which uses the email in writing you from connects flawlessly. It's a new one that is giving me issues. Any help would be greatly appreciated. Thank you for your time.

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Yu5tiqX9og
Yu5tiqX9og

The following link might be helpful: on July 10th one hotmail account stopped opening and a message window appeared saying that authentication was OK but it wasn't able to connect. https://support.mozilla.org/en-US/questions/1524814#answer-1751319

schro.cat
schro.cat

I reckon it is a deeper problem - see my post: https://support.mozilla.org/en-US/questions/1569084

In my. case - and possibly yours, TB is failing because it is using, what has become a legacy protocol. Microsoft now requires the OAuth2 token to have:

a) Audience: https://outlook.office.com/ b) Scope: IMAP.AccessAsUser.All c) Client classification: must be recognized as a “native mail client” for IMAP.

For example, on (a), currently, I believe TB uses a generic public client registration and unable to handle passkey authentication.