unable to remove mailbox

Question

Hi all

i have a shared mailbox in cloud and regular mailbox which is created in onprem and migrated to cloud.
One of my user lets say user1 has access to shared mailbox shared1@Company portal .com i have removed the access but still the user is seeing it in the outlook and he is unable to remove it.
for the regular mailbox lets say regular@Company portal .com i have removed the access but still user1 is seeing the mailbox in outlook. i have checked the attribute msExchDelegateListLink for regular mailbox regular@Company portal .com in onprem AD and i dont see user1 is listed. Experts guide me, user is using outlook for mac.

Answer 1

Try this:

https://learn.microsoft.com/en-us/powershell/module/exchange/remove-mailboxpermission?view=exchange-ps

Remove-MailboxPermission -Identity "Shared1@contoso.com" -ClearAutoMapping  

Answer 2

@Glenn Maxwell

Do you mean full access permission? If so, try to open that full accessed mailbox from OWA, if you cannot open that mailbox from OWA, it means permission has be removed successfully. You could try to reconfigure mailbox in Outlook client.

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