2 AD domains with 1 exchange server, single sign in needed. RRS feed

  • Question

  • Hey guys, this is the scenario,

    Company A has its own domain 2008 server with exchange 2007, users have email address user@companyA.com

    Company B is a subsidiary with its own AD domain Server 2012 R2. trust is set up between the domains.
    currently the users in Company B have email addresses user@companyA.com ( dont want to change this)

    when users login to Company B's AD, they are then prompted to enter credentials for Company A's AD account.

    I wan to enable a single sign on so that the email address user@companyA.com will authenticate using the company B credentials. thus eliminating the need for users in Company B to have 2 AD accounts.

    not sure how to event start going about this process.

    Wednesday, March 18, 2015 5:03 AM


  • Use the resource forest concept

    Check this out.


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    • Marked as answer by jim-xu Tuesday, March 31, 2015 1:25 AM
    Wednesday, March 18, 2015 5:20 AM