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Hosting multiple domains exchange2003

Posted on 2004-09-22
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Last Modified: 2008-03-17
Hello

I have 2 domains domain1.local and domain2.local
I need to be able to host both domains on one exchange server. I have created a root domain in a new forest called headoffice and have domain1 and domain2 as members of that forest. I have a dc for the headoffice domain, a dc for domain1, and a dc for domain2. My exchange server is installed on the headoffice domain.I have setup  users in both domain1 and domain2 with e-mail accounts. I have created 2 new recipient policies reflecting domain1 and domain2. What do I have to do to be able to logon to domain1 as a user and be able to access my exchange account, at the moment if i create a user in the headoffice domain I can log onto a mailbox (this makes sense because the exchange server is installed in the root domain). If I log a user on to domain1 or domain2 and try to open their mailbox, I get a 'You do not have permission to logon'
All help appreciated
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Question by:demas
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GarySmith72 earned 2000 total points
ID: 12123015
Hi

Have you done a SETUP /DOMAINPREP in each of the subdomains?  You need to do a domainprep in each domain that will use Exchange.

From a workstation/server in Domain1, can you logon as a user in Domain2 and the root domain?

Cheers

Gary
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by:demas
ID: 12123101
I haven't,no. I ran a forestprep and domainprep when I installed exchange in the root domain. I will run a domainprep on each domain using exchange .I can log on to any of the domains from any workstation.
Thanks Gary, I'll let post back with the results soon.
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by:demas
ID: 12123758
Gary

I ran a /domainprep on both subdomains, but that doesn't seem to have helped. I am still getting the 'unable to open your default e-mail folders. you do not have permission to log on'
Any ideas?

Darren
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by:GarySmith72
ID: 12136133
Are these user accounts located within the subdomains, and have these user account within the subdomains been mail-enabled?  From AD Users and Computers on a machine with Exchange System Manager installed on it, can you see that the user accounts in the subdomains have Exchange mailboxes?  From within Outlook (not OWA), when you create an Outlook profile, can it resolve the accounts name/mailbox?

Cheers

Gary
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by:demas
ID: 12297445
Hello Gary, apologies for not replying sooner. These accounts are located in the subdomains, and although from AD users and computers the users are mail enabled, when I log on as that user and configure their e-mail account, this is when I have problems. I think I am getting the basics wrong somewhere. To re-cap where I am with all of this:
Root domain created called HO. Forestprep/domainprep run and exchange installed
Sub-domain called Domain1 domainprep run
Sub-domain called domain2 domainprep run.
In AD I can switch to any of the domains and creste mail enabled accounts.When creating accounts in either sub-domain the recipient update service is not stamping the new account, so I am not getting an X500 address. I can manually configure an smtp address. The domain where the exchange server is installed is called HO, and this seems to be the only domain I can log a client onto and be sure of being able to authenticate against the exchange server.  Although I can create mail enabled clients in either of the subdomains, when I log on as the user in domain1 (for example), when I try and configure the e-mail account, I am asked the name of the Exchange server (this is HO). When I put the mailbox name in, I get a 'The name could not be resolved' message.
I am happy to start this install from scratch if necessary.

Any thoughts??
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