Not possible. Users can always use their own Contacts folder.

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Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> We have a company that wants to have one PF contact list be the only
> contact
[quoted text clipped - 5 lines]
> button it brings up the local/user contact not the PF contact list
> Thanks for any help