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PSA: Today Thunderbird 102.7.0 releases with a crucial change to how we handle #OAuth2 authorization with #Microsoft accounts. This may involve extra work for users currently using Microsoft-hosted accounts through their employer or educational institution.

READ MORE: https://blog.thunderbird.net/2023/01/important-message-for-microsoft-office-365-enterprise-users/

#Enterprise #Outlook #Exchange

Important: Thunderbird 102.7.0 And Microsoft Office 365 Enterprise Users

In Thunderbird 102.7.0, there are changes to the way we handle OAuth2 authorization with Microsoft accounts. This may involve some extra work for users currently using Microsoft-hosted accounts through their employer or educational institution.
Jason Evangelho (The Thunderbird Blog)
#microsoft #outlook #exchange #enterprise #oauth2
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Milan
Milan
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extra work from users ... microsoft ... i am sure this is about to go very well 😅
in reply to Milan

Fabian Dellwing
Fabian Dellwing
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@milan Let's just say: Nothing works here today related email...
@Milan
in reply to Fabian Dellwing

Fabian Dellwing
Fabian Dellwing
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@milan And yes, MS reports a success in the logs, but TB says auth error. Very good...
@Milan
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Kyle R. Conway
Kyle R. Conway
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Perhaps a tall order, but would be helpful if you could within the blog post link to whatever documentation MS might have for admins implementing this (probably in office365). There will be a non-zero amount of smaller orgs where following an official guide will be the only way this happens.
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Thunderbird: Free Your Inbox
Thunderbird: Free Your Inbox
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UPDATE:
We have delayed further rollout of Thunderbird 102.7.0 while a suitable patch is implemented to resolve a critical OAuth issue

If your client was already upgraded to 102.7.0 and you wish to use a previous version for the time being, please install and launch an older version, for example, 102.6. Thunderbird should automatically detect your existing profile.

However, you can launch the Profile Manager if needed by following these instructions: https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-thunderbird-profiles#w_starting-the-profile-manager

profile manager create and remove thunderbird profiles | Thunderbird Help

Thunderbird stores your personal information and settings in a profile folder. Learn to work with different profiles on Thunderbird.
support.mozilla.org
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Thunderbird: Free Your Inbox
Thunderbird: Free Your Inbox
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UPDATE:
A solution to the authentication issue will ship with version 102.7.1, releasing during the week of January 23.

Version 102.7.0 is now available for MANUAL download only, to allow unaffected users to choose to update and benefit from the fixes it delivers (https://www.thunderbird.net/en-US/thunderbird/102.7.0/releasenotes/)

Please note that automatic updates are currently disabled, and users of Microsoft 365 Business are cautioned to not update.

Thunderbird — Release Notes (102.7.0)

Thunderbird
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Adele
Adele
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when did Thunderbird come with m365 support?
I've been using Davmail in linux to get it to work.
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Phil Robinson
Phil Robinson
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How do I download 102.6. You have deliberately made it very difficult to find previous versions.
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Jaime Gutiérrez Alfaro
Jaime Gutiérrez Alfaro
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Nada más triste que depender de les administradores de TI del TEC. Voy a prender una 🕯️a ver si algún día puedo actualizar el Thunderbird.
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