How to limit which users are in the Global Address List.

We have a company and there are four sub companies that compete with each other.  We have exchange 2000 and we use webmail.

The problem is that when you go into the Global Address List, you get the names of all the people of all the four companies and that is not what we want.   The employees of the other companies is confidential.  

How do we keep the list of people in the Global Address list to show just the people in that company?  

bitmechanicAsked:
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gpriceeeCommented:
Hi.  I've answered something similar before:
http://www.experts-exchange.com/Networking/Email_Groupware/Exchange_Server/Q_21441148.html

In the Exchange System Manager, double-click Recipients.
Right click All Address Lists --> New Address List...
Name the new list Something Like Secured Lists.
Finish
Right Click the new Secured Lists list --> Properties --> Security Tab
Select Everyone.
At the bottom of the permission list, check Deny for Open Address List.
OK to the warning.
Right click Secured Lists --> New Address List...  (It will be nested with a default of deny).
Name the list appropriately and setup the filters.
Finish.
Right click the New List --> Properites --> Security Tab.
Click Advanced.
Uncheck Allow inheritable. . . .
Click Copy.
Remove everyone and group who do not need access.
CAREFUL HERE: Don't over do it--sort by name and do not remove system or ANY Exchange server rights.
Add those who need access.
Click OK.

If you don't see the list in Outlook, you might have to wait for replication.
That's it!

Now, any Address List you nest under Secured Lists will be able to be customized.

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bitmechanicAuthor Commented:
Thank you so much for this answer.  We are investigating this .  I am impressed.
bitmechanicAuthor Commented:
Still working this issue.  The boss ran off and took a week off for some lame excuse like getting married.

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gpriceeeCommented:
Thanks for the update. . . . .

The boss didn't want to work on this during the honeymoon? . . .. .   ;-)
gpriceeeCommented:
Hi.
Is the boss back?
bitmechanicAuthor Commented:
Actually I am going to have to bother him.  Thanks for the remind.  We have a rather odd working arrangement.
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