No suitable domain controller was found - Exchange 2013


I'm trying to move some users from a root domain to a child domain. The migration happens without any errors on AD. After the migration when I try to check the user mailboxes using the "Exchange Admin Centre" I get the error below.

The call to Microsoft Exchange Active Directory Topology service on server 'TopologyClientTcpEndpoint (localhost)' returned an error. Error details No suitable domain controller was found in domain ''.

root domain -
child domain -

We are running Exchange 2013. It seems like Exchange does not know about the child domain.

Please help.
Sajith SilvaAsked:
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Sajith SilvaAuthor Commented:
We have managed to sort this out but running the exchange domain prep on the child domain.

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Sajith SilvaAuthor Commented:
After going through some forums I found out the issue can be resolved by running the exchange domain prep on the child domain.
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