can't remove assosicated accounts exchange 2010 outlook 2010

As an exchange admin I do add additional other users mailboxes in my outlook for maintenance
Via account settings, change> more settings> advanced.
And then remove them when I am done.
With outlook 2010 I now do see few mailboxes which were removed a while ago and not listed under my additional mailbox any longer and  there is no way to disassociate them.
New users profile or new outlook profile didn’t make any difference. I do see it on multiple computers with my login. I don’t have any roving profile configured. So it looks that it associated on somewhere Exchange server. When I simply try to close user folder from Outlook folders listing it tells me to go to account settings to do it.
How do I clean up phantom folder from my outlook?
leop1212Asked:
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VB ITSSpecialist ConsultantCommented:
If you're using Exchange 2010 then a feature called Mailbox Auto-Mapping was introduced in Exchange 2010 SP1. This is what is most likely causing the additional mailboxes to re-appear in your case. If you have Exchange 2010 SP2 installed then you can disable the Auto-Mapping feature by running this command:
Add-MailboxPermission -Identity "John Doe" -User "Your Account" -AccessRight FullAccess -InheritanceType All -Automapping $False

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You will need to run this command on each mailbox that you have full access to.

If your Exchange servers only have SP1 installed then you'll need to resort to using ADSI Edit to clear your account from the msExchDelegateListLink attribute list on the mailbox which you have full access to.

More information regarding the Auto-Mapping feature can be found here: https://technet.microsoft.com/en-us/library/hh529943%28v=exchg.141%29.aspx

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