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Simple question: is it possible to have two active directory domains, one being parent to the other (a forest) and have two user accounts with the same login, one in each domain ?



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Do you mean this: DomainA\user and DomainB.DomainA\user? – Brent Pabst Jun 5 '12 at 19:26
yes. That's what I mean. Just its and and – Fabio Jun 11 '12 at 13:28
up vote 2 down vote accepted

You can - but it's fairly silly to do that. In AD, domains in the same tree will trust each other, so you can assign rights for resources in Domain A to a user in Domain B, and vice-versa. No need to make accounts with the same names.

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