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Windows Thread, unable to add an additional dc in Technical; Visited a school today which is having a strange problem, they have an existing domain with with their 2 dc's ...
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    simongrahamuk's Avatar
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    unable to add an additional dc

    Visited a school today which is having a strange problem, they have an existing domain with with their 2 dc's running win 2003. They also have a member server which runs exchange 2007.

    Their 3rd dc died the other day and they have restored it effectively as a new server with a new name, however when they come to dcpromo the server they get the following error:

    "active directory installation cannot continue because the forest in not prepared for installing win 2003. use adprep to prepare both the forest and the domain."

    now i know that the domain is at the right level because they have existing 2003 dc's, what I also know is that when they installed exchange 2007 they had to forest prep the domain to accomodate it.

    anyone got any ideas?

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    simongrahamuk's Avatar
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    ah ha!

    existing servers 2003, new server 2003 r2! domian needs adpreping!

    but how would this affect the forest prep that was run when exchange was installed?

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    FN-GM's Avatar
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    Nope, you will not have any problems if you do adprep. All it does is makes AD ready for R2. It will not effect anything else.

    Z

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