prvent outlook users from modifying distribution group memberships?

Management has requested that we prevent Outlook users from having the ability to add/remove members to distribution groups/security groups.

Here's what I've done so far, but haven't had alot of luck in getting the desired results.  I open up the Security group in question in ADUC.  Go to the MANAGED BY tab and specify the account that I want to manage the group.  Then I checked MANAGER CAN UPDATE MEMBERSHIP LIST.  I was hoping this alone would be all that I needed, although it doesn't seem to do it.  Here's a little info about the setup:

Windows 2003 AD
Windows 2003 server running Exchange 2003
Outlook 2007

Thanks in advance for your help.
RTCAAsked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

x
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Hilal1924Commented:
"Go to the MANAGED BY tab and specify the account that I want to manage the group.  Then I checked MANAGER CAN UPDATE MEMBERSHIP LIST. "

To prevent Modification you should "UNCHECK" it not Check it :) Also remove anybody who is listed Under "Managed By"

Hilal
RTCAAuthor Commented:
Like you recommended, the distribution groups management were blank at first, which is why I made the changes I listed .  There were no accounts specified and the "manager can update membership list" was unchecked.  With those parameters, anybody in the company could modify the membership of that group via Outlook.  
Hilal1924Commented:
Well in this the only thing that comes to mind is that it is inheriting permissions from a parent or Administrative Control has been delegated to user. Please check Security Inheritance and Delegations.

Hilal

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
RTCAAuthor Commented:
Expanding my test, I think I agree 100% in that its now a permission issue on a user level, instead of the group itself.  There are some users that cannot modify dist group membership regardless of the parameters set in the manager.  I think there is some clean up to do elsewhere.  
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Exchange

From novice to tech pro — start learning today.