how many number of child domain will be created in parent domain


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  • Its depends on the FQDN length, Fully qualified domain names (FQDNs) in Active Directory cannot exceed 64 characters in total length, including hyphens and periods (.). For example, the following host name has 65 characters; therefore, it is not valid in an Active Directory domain:

    See the same info in

    So, check it once and configure child domains accordingly.

    Regards, Ravikumar P

    Tuesday, December 11, 2012 1:24 PM
  • Hi,
    As this thread has been quiet for a while, we will mark it as ‘Answered’ as the information provided should be helpful. If you need further help, please feel free to reply this post directly so we will be notified to follow it up. You can also choose to unmark the answer as you wish.
    BTW, we’d love to hear your feedback about the solution. By sharing your experience you can help other community members facing similar problems. Thanks for your understanding and efforts.
    Best Regards
    Thursday, December 13, 2012 2:01 AM