Global AddressBook Problem

Hi

More then 6 month and i didnt find any answer to my problem 😕

Please find attached the screen shot for the AddressBook, every time it duplicate and i delete it and create new one.

I have Global AddressBook with Mac OS X server 10.6.8 and 10 users have 10.8.2 , and 2 users have 10.7.2

I did the global addressbook as the link:

http://osxupgrade.com/create-a-global-address-book-with-mac-os-x-snow-leopard-se rver/456/

but it duplicate daily . please help 😮😐