Entra Domain Services Domain NLTEST Failing

randy-knight 0 Reputation points
2025-05-06T19:50:11.9+00:00

I have a newly created Entra Domain Services Domain. Domain Join is failing. I have confirmed the following:

  1. DNS Servers have been set on the virtual network and are correct on the VM.
  2. VM has been rebooted so this shouldn't be a DNS Cache issue.
  3. nsloolkup <domain fqdn> resolves to the Entra DS Domain Servers
  4. ping <domain fqdn> and nltest /dsgetdc:<domain FQDN> both fail.
  5. EDIT: tnc <dns IP Address> -Port 389 works as well.

Not sure where to go with this.

Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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