I have a client with an exchange 2003 resource dedicated forest (forestA) and another forest with all the domain accounts (forest B), all the accounts in the exchange server are disabled. But forests are Exchange 2003 Server with SP". There is a trust relationship between the two forests. The forestB trusts in forestA but forestA doesn't trust in forestB. A enabled user from the account forest is associated with a mailbox attached to a disabled user in the resource forest. Since everything is working fine, but I'm having problems with public folders. When I create a Calendar Public Folder in Exchange the users can not access the Calendar, they receive the message that they don't have permissions to see the Calendar and is obvious because the user are authenticated in forestB but not in forestA, they have permissions in forestA just to pick their mail. I can use double authentication, but the client doesn't want this option. Is there any way to solve this problem? From the Exchange server when I try to give permission to domain accounts I only have the option to choose accounts from the forestA. How can I give permissions in the Calendar folder to domain accounts in forestB. Thanks
Software/Hardware used: Exchange 2003 Server with SP2
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