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Kizm

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2 Domains One Exchange Server? Or use AD Federation Server?

Overview:
Blue: Mother Company blue.com
Red: Subsidiary red.com  (IT Services Company)

What Red needs from Blue:
Red employees need access to Blue's servers and network resources.
Red need their own email id such as User@red.com
Ideally Red could have its own domain, and therefore its own security policies which may conflict with Blues policies

Why?:
In a move to provide Red its own foundation and corporate Identity Red has invested in HR Dynamics (HR Payroll) and its required Infrastructure. (SAN + Virtualization etc)

How:
Is it possible to configure Blues Exchange servers (where currently all red employees exist as red_employee@blue.com) to accept mail for red_employee@red.com & red_employee@blue.com?

Should we look into ADFS? (whats needed in this case is access to servers via RDC, no webapps as far as I know at this time, somehow still list red@red.com in Blue exchange directory.)

Its complex I know but essentially all red employees at this time still work for blue mostly. However the plan within the next 2 years or so is for Blue to start working on external company contracts in terms of IT Services.
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Brendan M
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yes.. you need to add the domain to the accepted domains
and then add the email addresses to the users for @red.com

have a look at http://www.petri.co.il/configure-exchange-2007-recieve-email-other-domains.htm for more details
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Kizm

ASKER

What about ADFS would it be worth the trouble? Do you know of any organizations that have used it in a scenario similar to ours?
Naa sorry, I haven't done anything with ADFS before.
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Adam Brown
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ASKER

Sorry for the late reply, thank you all for your answers. I will look into the info you provided.