Hi everybody,My Exchange 2003 is hosting 2 smtp domain ( xyz.com and abc.com ) one for my company and one for our partner company, and we are all in the same AD.I'd like that the users from xyz.com can only see xyz.com addresses and users from abc.com domain can see only abc.com address.Is possible ?How can I do this ?thanks in advance for you helpRegardsAlberto

Please see the solution here: http://www.free-it-guy.com/forum?func=view&catid=58&id=21 MCSE: MCITP - Exchange Admin: MCTS - SQL 2005

Hey Alberto, Checkout below couple of article for step by step procedure to separate the GAL in Exchange 2003. http://www.msexchange.org/tutorials/Shared_Hosting_Exchange_2003_Part1.html http://www.msexchange.org/tutorials/Shared-Hosting-Exchange-2003-Part2.htmlAmit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com

Hi,I followd the procedure but It doesn't worked !!!!!Any Other Idea ?