Creating an Array to Search Multiple OU Levels from the parent Domain

I need to index parent and child OUs to find accounts that do have a comma in the username. See the example username:

 Doe, John   verses DoeJohn

 I guess I would search based on the comma ',' within each OU.  

 The following is an example of the organizational structure:

 contoso.corp
       INC
          Members
               Users
       
 contoso.corp
        EAST
           Members
                 Users
          .
          .
          .

 How would I create an array to begin indexing at Contoso, then INC, then Members and finally Users.

 My objective would be to search for accounts in the Users OU.
lipotechSys EngAsked:
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lipotechSys EngAuthor Commented:
I meant to say search for accounts that does not have a comma in the username. My bad...

Lipotech..
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footechCommented:
Get-ADUser -Filter {samaccountname -notlike "*,*"} -SearchBase "OU=INC,DC=contoso,DC=corp"

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You can specify which OU you want to start the search in with the -searchbase parameter.  By default, Get-ADUser will search all child OUs as well.  If you don't want that behavior you can change the -searchscope parameter to "OneLevel", but then you will have to specify each OU (by its distinguishedname) one at a time.
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lipotechSys EngAuthor Commented:
Thank you.  I am structuring the script according to your recommendations.  I will re-open this question if necessary.

Lipotech
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