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Cannot remove Server 2008 R2 domain tree root

Hi

I created a domain tree root for testing purposes using dcpromo.  The test was complete, so I ran dcpromo to remove said root.  However, it did not complete entirely and I am left with the root domain in Domains and trusts and the domain controller in Sites and Services.

I have tried manually removing the objects using guides for removing child domains through the metadata cleanup and ntdsutil.  However they all fail.

Could someone please help me.

Thanks in advance
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Mike Kline
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Do you have other domains in that forest?

Thanks

Mike
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ASKER

I have a forest called Platformcentre, which has a domain root platformcentre (I think).  I then wanted to create a child domain called Xperta and saw an option for creating it as a tree root.  

So I would say that the answer is yes, I think.

I'm thinking I've screwed up the forest - right?
Might not have screwed up the forest but you can only have one forest root and that can't be changed, more on that here

https://www.experts-exchange.com/questions/27105718/Deleting-a-Forest-Root-Domain.html

You want to pick "create a new domain in an existing forest" in that situation.

Thanks

Mike
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ASKER

I created using that option - create new domain in an existing forest.  Then rather than select it as a child domain, I picked to create it as a new root.  

I then tried to remove the domain using dcpromo on the domain controller, picking that it was the last domain controller.  It completed with errors and I can't remove the rest of the root, so that all I'm left with is the original domain in the forest.
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ASKER

Just so there is no confusion.  I had a forest, with one domain inside.
I created a new child domain in the forest, but pick to assign it as a root instead.  
This left me with 2 domains in on forest.
I then attempted to delete the new domain, using dcpromo on the domains one and only dc.  
It completed with failures.
I have since tried to remove the remnants of the new domain using metadata cleanup and ntdsutil, but each time it fails.  I have also tried removing the entry for the deleted domain controller in sites and services.  This also failed with a non descript error.

Any help in fixing this issue would be most appreciated.
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Xperta
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ASKER

I'm accepting this because it was the way I managed to resolve my issue.