troubleshooting Question

What are the correct default permissions for a shared mailbox?

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JerFlag for United States of America asked on
ExchangeActive Directory
4 Comments2 Solutions14 ViewsLast Modified:
Greetings,

While troubleshooting user access to an Exchange 2013 shared mailbox, I noticed some curiosities regarding the security of the mailbox.  The troubleshooting started because I was unable to access the mailbox, even with Full Access permissions.  When I perform the get-mailboxpermission commend for the mailbox, I notice 5 entries that are listed twice, including Domain Admins, Enterprise Admins, Organization Management.  One listing shows AccessRights to be {FullAccess, DeleteItem, ReadPermission, ChangePermission, ChangeOwner}, IsInherited (True), and Deny (False).  That looks normal to me.  The other listing concerns me.  That listing shows AccessRights to be {FullAccess}, IsInherited (True), and Deny (True).  Should any of these have Deny set to True?  I wouldn't think so.  Our environment has been through several versions of Exchange (since 5.5), so I expect there is a bunch of residual settings.  I did find a ticket stating that ADSI Edit can be used to clean up the Deny settings, but I just wanted to confirm that I should be able to clear all Deny settings or if there was perhaps a reason that they are there?

I appreciate any assistance provided.

Thank you,

Jeremy
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