Windows Cannot Connect to Remote Desktop Configuration Service

Windows Cannot Connect to Remote Desktop Configuration Service?

/ Knowledgebase, Remote Desktop Protocol (RDP)

Remote Desktop is a crucial tool for accessing computers remotely, but sometimes, users encounter the error: Windows Cannot Connect to Remote Desktop Configuration Service. This issue can prevent you from establishing a remote connection, disrupting productivity. In this guide, we will explore the common causes Windows cannot connect to Remote Desktop configuration service, and step-by-step solutions to fix it.

Common Causes of the Error

Several factors can lead to this error, including:

  • Disabled or malfunctioning Remote Desktop Services
  • Incorrect firewall settings
  • Network configuration issues
  • Corrupt system files
  • Group Policy misconfigurations
  • Issues with Windows updates

Troubleshooting and Fixing: Windows Cannot Connect to Remote Desktop Configuration Service?

1. Restart Remote Desktop Services

The first step is to check whether the required Remote Desktop services are running.

Steps:

    1. Press Win + R, & write services.msc, & hit Enter.
    2. Locate the following services:
      • Remote Desktop Services
      • Remote Desktop Configuration
      • Remote Desktop Services UserMode Port Redirector
    3. Right-click on each service and select Restart.
    4. If the services are not running, right-click and choose Start.
    5. Set their Startup Type to Automatic by double-clicking each service, selecting the General tab, and choosing Automatic from the dropdown menu.

2. Check Firewall and Network Settings

A misconfigured firewall or network settings can block Remote Desktop connections.

Steps:

  1. Open Windows Defender Firewall by pressing Win + S and searching for Windows Defender Firewall.
  2. Click Permit an app or feature through Windows Defender Firewall.
  3. Look for Remote Desktop and ensure both Private and Public checkboxes are enabled.
  4. If using a third-party firewall, ensure that it is not blocking Remote Desktop.
  5. Check the router or network settings to confirm that TCP port 3389 (RDP default port) is open.

3. Verify Remote Desktop Settings

Ensure that Remote Desktop is enabled on the target computer (PC).

Steps:

  1. Press Win + R, write sysdm.cpl, & hit Enter.
  2. Go to the Remote tab.
  3. Under Remote Desktop, ensure that remote connections to this computer (PC) are selected.
  4. Click Select Users and ensure your account has permission to connect.

4. Check Group Policy Settings

Group Policy settings might be preventing Remote Desktop connections.

Steps:

  1. Press Win + R, write gpedit.msc, & hit Submit.
    Navigate to:
    Computer(PC) Configuration → Administrative Templates → Windows Components → Remote Desktop Services → Remote Desktop Session Host → Connections.
  2. Locate Allow users to connect remotely using Remote Desktop Services and set it to Enabled.
  3. Close the Group Policy Editor & restart your computer (PC).

5. Restart Your Computer and Network Devices

Sometimes, a simple restart can resolve connection issues.

Steps:

  1. Restart your computer.
  2. Restart your router and modem.
  3. Try connecting again.

6. Run the Windows Remote Desktop Troubleshooter

Windows has built-in troubleshooters that can identify and fix common problems.

Steps:

  1. Open Settings (Win + I).
  2. Run to Update & Security > Troubleshoot > Additional troubleshooters.
  3. Locate Incoming Connections and run the troubleshooter.
  4. Follow the on-screen instructions.

7. Check for Windows Updates

A missing or faulty Windows update might be causing the issue.

Steps:

  1. Open Settings (Win + I).
  2. Go to Update & Security > Windows Update.
  3. Press Check for updates & install any pending updates.
  4. Restart your computer after updating.

8. Scan for Corrupt System Files

Corrupt system files can interfere with Remote Desktop functionality.

Steps:

  1. Open Order Prompt as an administrator (Win + X > Command Prompt (Admin)).
  2. Type the following command and press Enter:
    sfc /scannow
  3. Wait for the scan to complete and follow any recommended fixes.

9. Modify Registry Settings (Advanced Users Only)

If the issue persists, tweaking the Windows Registry might help.

Steps:

  1. Press Win + R, type regedit, & hit Enter.
  2. Navigate to:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server
  3. Locate the fDenyTSConnections key and ensure its value is set to 0.
  4. Close the Registry Editor and restart your computer.

10. Reinstall Remote Desktop Services

If all else fails, reinstalling Remote Desktop Services can resolve underlying issues.

Steps:

  1. Open PowerShell as an administrator (Win + X > Windows PowerShell (Admin)).
  2. Run the following command to remove Remote Desktop Services:
    Uninstall-WindowsFeature -Name RDS-RD-Server -Restart
  3. After rebooting, reinstall Remote Desktop Services with:
    Install-WindowsFeature -Name RDS-RD-Server -IncludeManagementTools -Restart

Conclusion

The Windows Cannot Connect to Remote Desktop Configuration Service error can be frustrating, but with these troubleshooting steps, you can diagnose and resolve the issue effectively. Whether it’s a misconfigured setting, a disabled service, or a network-related problem, following the outlined steps should help restore your Remote Desktop functionality. If the problem insist, consider reaching out to Microsoft Support for further assistance.

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