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Modifying Members in Outlook

Hi Guys,

I have a problem, after I have clicked on New message and then 'To...' for address list users are able to modify look at the current members of a group by clicking on advanced and then properties.  They can also modify Members.  I have looked at the Exchange System Manager on the Exchange Server to see if I can block the users from viewing or modifying but I didn't find anything.

Can you please tell me the solution to this as this is a security issue for us.

Thanks

Adeel
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mbavisi
Asked:
mbavisi
1 Solution
 
aa230002Commented:
If users are able to modify the entries in GAL using Outlook, its the permissions issue in your Active Directory.
Go to ADUC on any domain controller or your Exchange server and then, pull up the properties of any Distribution list or user object that users are able to modify using Outook.
go to security tab and make sure that "Authenticated Users" and "Everyone" has just "read" permissions and nothing else.

Thanks,
Amit Aggarwal.
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mbavisiAuthor Commented:
Hi Amit,

Thanks for the quick response.  In regards to setting permissions in Distribution Groups.  There isn't a security Tab for me modify permissions, however I have come across Mailbox Rights (under Exchange Advanced Tab) and have an option to change permissions there but since it is Mailbox Rights this may affect only their own mailbox.

Could you guide through to the security Tab.

Thanks

Adeel Ahmad
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MikeeMiracleCommented:
If you goto AD Users and Computers, select the View menu from the MMC and then select Advanced Features.

You should then notice several extra tabs on each object, including the security tab in the group settings.
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