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Hatseflatz-7579 asked JeffYang-MSFT commented

Outlook keeps asking for password

some of my clients keep getting the password promt every couple minutes. we are using a exchange 2013 server with latest CU.
the clients are using outlook 2010 and have multiple accounts added to it with different domains.
the password promt keeps asking for the password of but it has automatically sellected so i have to click different options and select the right account.

things i tried to fix it :

  1. clear credential manager of everything with the account names in it

  2. create a new e-mail profile

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Hi @Hatseflatz-7579,
Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back.

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JeffYang-MSFT answered

Hi @Hatseflatz-7579,


the password prompt keeps asking for the password of

Is this a problem that has only recently occurred? Or have been existed for a long time?
I noticed that you have multiple email accounts in one Outlook profile and have already tried creating a new e-mail profile, so how does the issue look like if you only add the problematic email account( to a new Outlook profile?

In order to further confirm your issue, please try the suggestions below and see if the issue has any difference:

  1. There could be some add-ins in your Outlook client that cause this issue, so it is suggested to start your Outlook in safe mode (Press Win + R, type “outlook /safe”, press Enter.) and see if the issue continues.

  2. Antivirus software usually integrates into your Outlook and it may cause some conflicts. Try to temporarily turn off your antivirus software to check if the issue will be gone.

  3. As I know, errors of Outlook Auto discover might also cause similar issues. It is suggested for you to try the registry keys in this article and see if it could help. For example,
    Open Registry Editor.
    Locate and then click the following registry subkey:
    On the Edit menu, point to New, and then click DWORD Value.
    Type ExcludeHttpsRootDomain, and then press Enter.
    On the Edit menu, click Modify, type 1 in the Value data box, and then click OK.
    Exit Registry Editor.
    (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.)

By the way, considering that support for Office 2010 has ended on October 13, 2020 and there will be no extension and no extended security updates which may also cause issues. For better user experience, it is suggested for you to upgrade your Office to newer version, Office 365 or Office 2019 for example.

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