Cannot create email for users on subdomain

Thang Tran Duc 1 Reputation point
2020-07-01T09:14:48.46+00:00

I have a lab as follows:
One server act as a domain controller with domain: abc.com.
One server act as a domain controller with sub domain: adm.abc.com
One server act as a domain controller with sub domain: edu.abc.com.
One exchange 2016 server.
I used AD to create users on the 2 sub domain servers. Then I used exchange ecp to create mail box for these users but failed. I got error: 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 edu.abc.com;. Errors.
I got the same error when create mailbox for users in domain adm.abc.com.

Please help me to resolve the problem.

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  1. Ryan Hill 26,951 Reputation points Microsoft Employee
    2020-07-02T17:51:25.627+00:00

    Hi @Thang Tran Duc ,

    Thank you for posting your question on our new Q&A platform. Your issue seems to be more aligned with Exchange Server and on-prem Active Directory. That community hasn't migrated to Q&A yet; therefore, I advise you post your question over on the Exchange Server Technet Forum for better assistance.

    Kindest Regards,
    Ryan

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