Q. Does the sAMAccountName for an object have to be unique in the Active Directory domain or the entire forest?

John Savill

October 13, 2010

1 Min Read
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A. The sAMAccountName attribute of an object must be unique for the domain, not the entire forest (each domain has an Administrator account  ). However, as a best practice, you should avoid having duplicate sAMAccountName values across your forests to avoid the possibility of modifying the wrong instance.

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