Outlook 2019 login popup AAD page, but we can't dev o365 pls help tks~

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Outlook 2019 login popup AAD page, but we can't dev o365 pls help tks~

lei Li 81

We have two domain A: from china local office B:- from Germany it a exchange server .
I have a problem I Try use Outlook 2019 Login popup AAD page but we can't deployment of o365 。

windows log:
Error: 0x8AA5007C A suspending event for the AAD plugin was received.
Logged at WebUIControllerWebView.cpp, line: 682, method: WebUIControllerWebView::WebViewSuspensionEvents::OnSuspending.

Request: authority: https://login.microsoftonline.com/common, client: d3590ed6-52b3-4102-aeff-aad2292ab01c, redirect URI: ms-appx-web://Microsoft.AAD.BrokerPlugin/d3590ed6-52b3-4102-aeff-aad2292ab01c, resource: https://outlook.office365.com/, correlation ID (request): 29e57b9f-c281-4ddd-bfc6-78b2e533eed0

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Answer 1

Jade Liang-MSFT 9,986 Microsoft Employee

Hi @leiLi-7744，

in order to further confirm your issue, please provide us with the relevant information about your issues:

Did the issue occurred on all users in your organization ?
Could you login to your account normally in owa?
Have you performed any operations that are relevant AAD in your 2 domains?

If you could log in owa normally and the issue occurred on Outlook client only. As I know, we could set the registry value "ExcludeExplicitO365Endpoint" to avoid the unexpected Autodiscover behavior in Outlook(forces your Outlook client to connect to Office365 ). As a suggestion, we could try to follow the steps to test on one user to check if it could work.

Location: HKEY_CURRENT_USER\Software\Microsoft\Office\x.0\Outlook\AutoDiscover
Key: ExcludeExplicitO365Endpoint
Value: 1
(Note: Serious problems can occur if you modify the registry incorrectly. Before making changes, back up the registry to restore it in case something goes wrong.)

Looking forward to your update.

lei Li 81 Reputation points

2021-07-26T01:47:45.597+00:00

@Jade Liang-MSFT
Thank you very much for your answer.This problem seems to have been solved according to your plan. I will continue to monitor whether this problem is finally solved. Thank you for your help

Did the issue occurred on all users in your organization ?
YES

Could you login to your account normally in owa?
YES

Have you performed any operations that are relevant AAD in your 2 domains?
NO

https://learn.microsoft.com/en-us/outlook/troubleshoot/profiles-and-accounts/unexpected-autodiscover-behavior
Jade Liang-MSFT 9,986 Reputation points Microsoft Employee

2021-07-26T06:48:02.673+00:00

Hi @leiLi-7744，

You're welcome.

Looks like your issue is related to unexpercted autodiscover behavior, thanks for your sharing and if your issue has any update, please feel free to post back.

Hope it would be finally solved soon :)

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Outlook 2019 login popup AAD page, but we can't dev o365 pls help tks~

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