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Zolla715's avatar
Zolla715
Copper Contributor
Mar 11, 2022

Issue with user's mailbox

Hi there

 

A user has had the same mailbox for a few years now. Standard M365 tenant with nothing fancy within Exchange. Over the last two weeks the user's mailbox is taking 3-5 minutes to connect. 

Trouble shooting done:
Cache within Outlook turned off.
New mail profile created within Windows 10.
Credential manager cleared.
Tried on new device, same issue
Removed addins
Started in safe mode
When connecting the user's mailbox to my Outlook desktop app, the app freezes and crashes.

Anything I could be trying?

Thanks

  • Pavel_Marinov's avatar
    Pavel_Marinov
    Copper Contributor
    I would check if the users has access to additional mailboxes like shared or resource, remove all access and try again. This may be caused by a corrupt shared mailbox. I have seen the behavior.
    • Zolla715's avatar
      Zolla715
      Copper Contributor
      Good idea, I'll check and reverty findings

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