Longest title in history?
A while back we were doing some troubleshooting and we added an administrator’s account to have read permissions on all of our mailboxes. Mailboxes permissions came up as a topic yesterday in a conversation I was having and I remembered I had meant to clean this up. I could have gone about this a bunch of different ways, but ultimately I wanted to create a script in case I ever needed it again. Continue reading “Remove a single user’s permissions from all mailboxes in Office 365”
As an admin occasionally you’ll give yourself permissions to a mailbox. And then you’ll remember Outlook conveniently auto-maps that mailbox for you. Easy fix.
Close Outlook. Open Powershell.
Add-MailboxPermission -Identity targetuser@foo -User youradmin@foo -AccessRights FullAccess -AutoMapping:$false
Open Outlook. Enjoy the emptiness of the side bar.
You can/should also (once the mailbox disappears from Outlook) remove the permissions completely.
Remove-MailboxPermission -Identity targetuser@foo -User youradmin@foo -AccessRights FullAccess -InheritanceType All