I am having difficulties with a domain design to select. I always saw that it is best practice design to create an empty place holder root domain to hold the enterprise admin group and to hold the forest schema operations role. After that have another domain to hold all users/groups/computers. The alternative being one domain, that holds all of the above. There does seems to be additional hardware costs associated with the empty place holder domain, but there isnt going to be much admin overhead since the domain is going to be basically unused. Whats the reason for the place holder root domain is setup and should this domain design be favored in a large enterprise organization vs the single domain model? Thanks.
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