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Can't get mailbox to stop auto-mapping to my Outlook

CharlesP 56 Reputation points
2022-09-13T19:50:55.73+00:00

I have a weird situation. I have a couple mailboxes which I granted myself access to while they were on-premises mailboxes. I don't recall the exact series of events, but right now those mailboxes are migrated to Office365, as is my own. These mailboxes continue to auto-map to my Outlook, although they give the message "Cannot expand the folder. The folder you specified cannot be found" when I click on them.

I have validated that I don't have delegated access to these mailboxes in the Office 365 EAC.

The msExchDelegateListLink attribute of the shared mailboxes in the on-prem AD attribute are blank.

My Outlook profile is not setup to map these mailboxes via Account Settings.

I have deleted and recreated my local Outlook profile, but these two mailboxes keep mapping.

Where else could I possibly look to determine why these keep mapping?

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  1. KyleXu-MSFT 26,256 Reputation points
    2022-09-14T02:30:56.457+00:00

    @CharlesP

    I would suggest you assign Full access to your mailbox again, (Wait about 1 hour) then remove this permission. Check whether it could update this one.

    1 person found this answer helpful.

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  1. Vasil Michev 103.6K Reputation points MVP
    2022-09-14T06:48:58.36+00:00
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