Solve DC Name Resolution Problems in Azure

Solve DC Name Resolution Problems in Azure

Q: I promoted a virtual machine (VM) in Microsoft Azure to a domain controller (DC) in a new domain, but now I have problems resolving some DNS names, why?

A: If you have a VM that's using the standard Azure DNS, and you promote the VM to a DC, which also means a DNS server, a default DNS forwarder is configured in the new DNS server that limits some resolution. To resolve it, perform the following:

  1. Launch DNS Manager in the VM.
  2. Right-click the server name in DNS Manager and select Properties.
  3. Select the Forwarders tab.
  4. Click the Edit button, and remove any forwarders then click OK.
  5. Ensure you select Use root hints if no forwarders are available and click OK.

The problem should now be resolved.

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