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2 AD domains on one Exchange (not jst smtp)

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2 AD domains on one Exchange (not jst smtp) - 25.Oct.2005 5:57:41 PM

IT53

Posts: 92
Joined: 28.Apr.2005
From: Chicago
Status: offline

Hi... have scoured the forums and can't seem to find an answer to this situation:

Two seperate 2k3 AD domains in the same Forest. Each Domain DC/GC/DNS in different locations.
One Exchange 2k3 server in the first location. The two locations are connected through a frame relay (Internal network).

Is it possible to have the single Exchange server provide mailboxes for users from both domains and accessible from both the LAN and WAN? I have only found answers to hosting multiple smtp domains, which I already have in place
( according to: http://www.msexchange.org/tutorials/MF010.html )

I considerd setting up an OU in domain A that would represent the users of domain B, but then there is no replication from domain B's DC to the new Domain A OU. Maintenance could become a real headache. Is there any way of doing this with only one Exchange server? I hope I have been clear in my explanation. Thanks for any assistance.

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RE: 2 AD domains on one Exchange (not jst smtp) - 26.Oct.2005 10:01:26 AM

vic102482

Posts: 70
Joined: 12.Jun.2005
From: home
Status: offline

A server can only be a member of one domain, so while you will be able to host 2 SMTP domains (domain1.local domain2.local) the address book, and active directory will be for only that domain that the exchange server is a part of. It would be easier to get a second exchange server.

(in reply to IT53)