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Exchange 2007 and multiple domains

kblackwel asked
Last Modified: 2012-05-12
I'm preparing to install Exchange 2007 onto Windows 2008 R2 in a domain with 2 @ Windows 2003 R2 DC's.

They have never had an exchange server before and their domain on the controllers is


Now we are a multiple domain company.

1. acd.com
2. def.com
3. ghi.com
4. jkl.com
5. mno.com

all of the users are in the abc.local domain and in AD they each have a different folder.

AD folders

The users are listed under there per company name.

the acb.local is not routable and do not have any DNS registered for it.

do i need to be concerned about the abc.local domain configuration setting up exchange 2007 to handle the 5 routable DNS registered domains?
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