Adding physical Machines to my Virtual DC

Frank Diaz 0

I have created a Domain controller on a vm on MS Azure. I am unable to add on premises physical machines to it. I get a DNS name does not exist error message. How can I correct this?

hossein jalilian 7,285 Reputation points

2024-09-13T23:21:01.51+00:00
Thanks for posting your question in the Microsoft Q&A forum.

You need to ensure proper DNS configuration and connectivity:

Ensure the Azure VM hosting the Domain Controller has a static private IP address.

Create a Private DNS Zone in Azure for your Active Directory domain, link the Private DNS Zone to the virtual network where your Domain Controller VM resides

Configure your on-premises DNS server to forward DNS queries for the Azure-hosted domain to the Azure Domain Controller's IP address

Ensure the Network Security Group associated with your Domain Controller VM allows inbound traffic on necessary ports from your on-premises network.

Please don't forget to close up the thread here by upvoting and accept it as an answer if it is helpful

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Jing Zhou 7,020 Reputation points Microsoft Vendor

2024-09-20T01:33:53.52+00:00

Hello,

Thank you for posting in Q&A forum.

To further troubleshoot this issue, please kindly follow below steps:

1.Check if you have configured the VM as DNS server of on-premises machine.

2.Make sure that the proper domain DNS records are correctly registered by nslookup command.

3.Try to configure virtual network DNS on Azure portal Virtual Network settings.

4.Make sure that there are no firewall rules blocking UDP 53 for DNS and TCP 389 for LDAP.

I hope the information above is helpful.

If you have any questions or concerns, please feel free to let us know.

Best regards，

Jill Zhou

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Adding physical Machines to my Virtual DC

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