Troubleshooting RDC through VPN Not Working on a Specific Windows Computer

Troubleshooting RDC through VPN Not Working on a Specific Windows Computer

If you are experiencing issues with Remote Desktop Connection (RDC) not working through VPN on a specific Windows computer, there could be several factors causing this problem. In this article, we will guide you through a step-by-step troubleshooting process to help you resolve the issue and regain remote access to your computer.

1. Verify VPN Connection

The first step is to ensure that your VPN connection is established and functioning correctly. Follow these steps:

1. Check your network connection by ensuring that you are connected to the internet.
2. Launch your VPN client software and connect to your VPN server.
3. Verify that the VPN connection is active by checking the VPN client software or looking for the VPN icon in the system tray.

2. Check Firewall Settings

Firewall settings can sometimes interfere with RDC connections. To ensure that the firewall is not blocking RDC, follow these steps:

1. Open the Control Panel by clicking on the Start button and selecting Control Panel.
2. Click on "System and Security" and then select "Windows Defender Firewall."
3. In the left pane, click on "Allow an app or feature through Windows Defender Firewall."
4. Scroll down and look for "Remote Desktop" in the list of allowed apps and features.
5. If "Remote Desktop" is not listed, click on "Change settings" and then click on "Allow another app..."
6. Browse and locate the "mstsc.exe" file (usually found in the "C:\Windows\System32" folder) and add it to the allowed apps list.
7. Make sure both "Private" and "Public" checkboxes are ticked for "Remote Desktop."
8. Click "OK" to save the changes.

3. Update Remote Desktop Client

An outdated or incompatible Remote Desktop Client can also cause issues with RDC. Follow these steps to update the client:

1. Open your web browser and go to the official Microsoft Remote Desktop Client download page.
2. Download and install the latest version of the Remote Desktop Client for your operating system.
3. Restart your computer to apply the changes.

4. Check Network Settings

Incorrect network settings can prevent RDC from working properly. Here's what you can do:

1. Open the Control Panel by clicking on the Start button and selecting Control Panel.
2. Click on "Network and Internet" and then select "Network and Sharing Center."
3. Click on "Change adapter settings" in the left pane.
4. Right-click on your active network connection and select "Properties."
5. Double-click on "Internet Protocol Version 4 (TCP/IPv4)" to open its properties.
6. Ensure that both "Obtain an IP address automatically" and "Obtain DNS server address automatically" are selected.
7. Click "OK" to save the changes.

5. Restart Remote Desktop Services

Restarting the Remote Desktop Services can sometimes resolve issues with RDC. Here's how:

1. Press the Windows key + R to open the Run dialog box.
2. Type "services.msc" and press Enter to open the Services window.
3. Scroll down and locate "Remote Desktop Services."
4. Right-click on "Remote Desktop Services" and select "Restart."
5. Wait for the service to restart, and then close the Services window.

After following these troubleshooting steps, try connecting to your Windows computer through RDC via VPN again. If the issue persists, it is recommended to seek further assistance from your IT department or a qualified technician.

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