(RDS) Tip of the Day: Detailed troubleshooting steps for remote desktop connection issues to Windows VMs in Azure

Today's Tip...

You may encounter a Remote Desktop error message that does not resemble any of the specific error messages covered in the basic Remote Desktop troubleshooting guide. Follow these steps to determine why the Remote Desktop (RDP) client is unable to connect to the RDP service on the Azure VM.

Components of a Remote Desktop connection

Before proceeding, it might help to mentally review what has changed since the last successful Remote Desktop connection to the VM. For example:

  • The public IP address of the VM or the cloud service containing the VM (also called the virtual IP address VIP) has changed. The RDP failure could be because your DNS client cache still has the old IP address registered for the DNS name. Flush your DNS client cache and try connecting the VM again. Or try connecting directly with the new VIP.
  • You are using a third-party application to manage your Remote Desktop connections instead of using the connection generated by the Azure portal. Verify that the application configuration includes the correct TCP port for the Remote Desktop traffic. You can check this port for a classic virtual machine in the Azure portal, by clicking the VM's Settings > Endpoints.

Preliminary steps

Detailed troubleshooting steps

The Remote Desktop client may not be able to reach the Remote Desktop service on the Azure VM due to issues at the following sources:

Follow this link to view complete article: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/detailed-troubleshoot-rdp


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