parent - child domain : removing trust from child to parent

We have 1 parent domain and 1 child domain, same forest. I like to manage the child domain from the parent domain, not the way back, from the child to the parent. So I want to prohibit that the child domain can access shares etc. on the parent domain. i think it has to do with the 2-way transitive trust. But it is likely not that easy to remove that 2-way trust and replace it with a 1- way trust relationship. On the 'domains and trusts' the remove button is always grey-out. I have administrator rights on the parent domain and on the child domain.
Can I realize this? And how?

Many thanks for your effort.
BERTLEEMANAsked:
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Krzysztof PytkoSenior Active Directory EngineerCommented:
Open Active Directory Domains and Trusts, select root domain and choose properties. Go to "trusts" tab. But when you remove child domain from that tab you can experience some replication problems.
Krzysztof PytkoSenior Active Directory EngineerCommented:
Because you can't do that. From 2003 parent-child domain has auto trust and you cannot break it.
TripyreCommented:
I would not remove the trust especially if it has been in place for a while, you will have some major issues with access, replication, and other unforseen issues.  If you are only concerned about being able to access shares and other resources, make sure only certain groups/users have access and enable auditing so that you can monitor if someone changes it.
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thiagotietzeCommented:
http://technet.microsoft.com/en-us/library/cc787706%28WS.10%29.aspx

"When a child domain is added to an existing tree domain, a two-way, transitive parent and child trust is established by default."
BERTLEEMANAuthor Commented:
Okay that's is all understandable. But what can i do to have a parent domain. And I want a child domain that can be managed by the parent domain. And the child domain may not see any resources, shares, ... of the parent domain?

tx for your knowledge.
thiagotietzeCommented:
Since you cannot break the transitive trust (and I think, not recomendable too...) between them, it is not possible.

For shares, or something like that, you just can limit the access by permission. This is the easiest way.

Else, you can just build another forest and enable a one-way trust between the forests. But sincerely I don't know how your company is defined (in terms of constitution, topology, naming....)...

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Darius GhassemCommented:
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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