Question

Removing unknown user (inherited) by SID from mailboxes using management shell

Asked by: CoyotesIT

I have an inherited user permission on all mailboxes in our exchange environment that I can remove from within the management console but when trying to remove the permission through the shell it does not error, but does not remove the user.

I am using the following as a test to verify the success on a single account (of course) before I go through all the mailboxes

[PS]> Get-Mailbox -Identity mailbox | Remove-MailboxPermission -user SID -AccessRights FullAccess, ReadPermission -InheritanceType All -Confirm

This goes through but then running the command

[PS]> Get-MailbxoPermission -Identity mailbox | Select User,AccessRights | Where {$_.User -match SID}

still shows that the user is there.

If I Manage FullAccess through the console I am able to delete this unknown SID with no problem. Obviously I do not want to go through each mailbox

My question is how can I determine where the inheritance is coming from and remove it from there, or why is the user not being removed when I do this through the shell.

I want to remove this from the parent object, but I cannot seem to find out where the inheritance is coming from.

Thanks in advance for the help!

~CoyotesIT

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Asked On
2008-08-07 at 11:33:21ID23630488
Tags

Microsoft

,

Exchange

,

2007

Topic

Exchange Email Server

Participating Experts
1
Points
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Comments
2

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Answers

 

by: CoyotesITPosted on 2008-08-07 at 12:21:14ID: 22184343

I got it. This was at the OrganizationConfig level, I was able to see this unknown account through ADSIEdit

Through the management shell the command to remove each permission was

[PS]>Get-OrganizationConfig | Remove-ADPermission -User SID -AccessRights ReadProperty, GenericExecute -ExtendedRights Receive-As, Send-As, ms-Exch-Store-Admin, ms-Exch-Store-Create-Named-Properties, ms-Exch-Read-Metabase-Properties

I believe the SID was carried over from our 2003 -> 2007 migration from an account that was added to the original organization a long time ago.

I request to close this question and have points refunded.

Thanks!

 

by: sdienterprisesPosted on 2009-01-23 at 10:33:52ID: 23451570

I have run into the same exact situation.  Running Get-Mailbox | Add-MailboxPermission and adding an admin account across all mailboxes entered must have processed incorrectly.  It entered a nonexisitant user who's SID was identical to the actual user except off by one digit.

My questions though are regarding your solution.  
Does running the Get-OrganziationConfig | Remove-ADPermission -User <SID>...   remove all permissions from all affected mailboxes all in one shot?  

I am a bit hesitant to run it considering the effects of the last script that ran on all 3000+ mailboxes.

Also, Do I still have to do a Get-Mailbox | Remove-mailboxPermissions on all the accounts as well for the affected SID?

20120131-EE-VQP-002

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