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EXchange - All Users Can open all accounts

Posted on 2008-10-22
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Last Modified: 2010-03-06
On Network with Windows 2003 and Exchange 2003.
Recently all users can open everyone else's mail boxes and calendars.  
They shouldn't have.
Where should this be changed?
Is it on the Security Tab of the Properties of the Server?

I see Everyone is listed there with Send As and Receive As permissions. The Special Permissions box is tciked and greyed out.  Is that the entry that needs changed?
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Question by:harris9999
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AmitTank earned 500 total points
ID: 22774873
It shows grayed out that means it is getting inheritance from upper level and you need to find it out where everyone send-as receive-as permission is coming from, you can check with ADSIEdit.msc also. Open and go till you saw sendas/receiveas on the object.
 
Go to Adsiedit.msc -> configuration -> services -> Microsoft Exchange -> YourOrgName -> Administrative Groups -> Admin Group Name -> YourServerName -> SGName -> DBName
 
Check in security tab one by one all upper level starting from DBName and find where inherited everyone - sendas/receiveas permission coming from and remove it, then check the issue.
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by:harris9999
ID: 22774954
Adsiedit.msc cannot be found.
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by:harris9999
ID: 22774962
Ah it works on the domain controller server, not the Exchange server.
Should it still be changed there.  
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by:AmitTank
ID: 22775024
Yep you can do on DC or you can install support tools on Exchange server. ADSIEdit.msc is included in support tools.
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by:harris9999
ID: 22775143
In my first post the Send As and Receive As were not greyed out:

On the exchange server when i go to: Exchange System Manager:
Admin Groups> First Admin Group> Servers> Server-Name
I right click on the server name and select properties and go to the Security Tab.
When I select Everyone
Send As and received As are ticked but not greyed out.  
Special Permissions is ticked and greyed out.  

Is this the one that should be changed?
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