Active Driectroy users and computers, Users, Domain Controller Account

I inherited a network and just finished upgrading the network from windows 2003 to Windows 2008 R2

I found something that does not look right.  In active directory users and computers,  In the users container,  there is a group called Domain Controllers.  The members of the group are the Domain controllers, but the unusual part is administrator is also a part of the group.  I looked at My DC on my network in the office and only the domain controllers computer accounts are members.  

Is there a reason this might be this way?  I can't think of one

Thanks very much for the help!

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Will SzymkowskiSenior Solution ArchitectCommented:
This group should Only have Domain Controllers added. However because it is a security group you can also add other users as well. I do not see a reason why the administrator would be part of this group.

You should remove this as only DC's should be part of it.

My guess was someone before you was trying to apply the administrator account in a specific group policy or something of that nature.


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