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Restored Windows 2008 Domain Controller Cannot Communicate with Parent Domain

Hi,

I have a client with a parent domain and a child domain. The child domain only has a single DC that has been corrupted and is looking like it is unrecoverable (ticket created with Microsoft).

Unfortunately they only have a valid backup from 2 weeks ago, which was restored successfully yesterday evening. We can log onto the child domain successfully, but not onto the parent domain.

Are there any steps that I can run through to help repair the relationship between this child DC and the parent domain?
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Member_2_4371340
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ASKER

For the clarity of any solutions, let's name the domains as follows:

Parent domain:  ParDom.local
Child Domain:    ChilDom.local
How did you restore? What sort of backup?

A Back up and restore of a domain controller is generally a total waste of time.

Never have a domain with only one DC.  Your best resolution to a dead DC is always to kill it and build a new one. That of course is far far easier if you have multiple domain controllers in the domain.
You are not able to login parent domain, from the DC in child domain?
@Neilsr

Q: How did you restore? What sort of backup?
A: It was a Veeam backup and restore of the whole virtual machine.

@Venurajav

Q: You are not able to login parent domain, from the DC in child domain?
A: Correct, communication from parent-to-child and child-to-parent domain is failing. I can log on to the child domain.
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Run a dcdiag post results
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gaurav2rawat

Check the secure connections using nltest check dns records if proper also run dcdiag /q and post the results here
SOLUTION
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Neil Russell
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