How to Resolve Remote Desktop Error Code 0x204 in Windows and macOS

RDP error code 0x204 is a remote desktop connection problem that usually occurs when a user tries to connect to a remote Windows computer from macOS, Android, or another operating system, but fails due to driver issues or security restrictions. The detailed error message looks like this:

We were unable to connect to the remote PC. Make sure the PC is turned on and connected to the network and that remote access is enabled.
Error code: 0x204

What causes remote desktop error code 0x204?

  • One of the most common problems causing error code 0x204 is that the Remote Desktop Protocol is not enabled on the Windows PC.
  • However, the problem may also be caused by your firewall (since the process used by Remote Desktop is used by many malicious programs).
  • In some cases, the problem may be caused by temporary files stored in the Group Containers folder.

How to repair the remote desktop error code 0x204?

Check your firewall

  1. Open the Control Panel and go to the System and Security section.
  2. Under Windows Firewall Defender, select Allow applications through Windows Firewall.
  3. Find Remote Desktop and check the box to allow it for private and public networks.

Some connections are not allowed by the Windows firewall or other security software you use, so this step should fix that.

Check for any new hardware/drivers that have been installed

Error 0x204 can also occur if you have recently added hardware to your computer or installed new or updated drivers on it.

  1. Run the hardware diagnostics provided by the system manufacturer to determine which hardware component has failed.
  2. Uninstall or replace the driver you just installed.

Check the remote desktop log

  1. Press the Windows + R key (to run the Run application).
  2. Type SystemPropertiesRemote.exe and click OK.
  3. In the system properties, click the Remote tab.
  4. Under Remote Desktop, check the Allow remote connections to this computer -> Allow remote connections only from computers running a remote desktop with network-level authentication (recommended).

Reinstall the Remote Desktop application.

  1. Open the Microsoft Remote Desktop application
  2. Click the drop-down menu next to the name (for example, My Laptop) of the remote desktop connection that you want to delete, and click Delete.
  3. After deactivating the application, try installing it again.

Frequently Asked Questions

  1. Check the remote desktop log.
  2. Check the firewall.
  3. Set the port to connect to the remote desktop.
  4. Check if new hardware/drivers have been installed.
  5. Reinstall the Remote Desktop application.

One of the most common problems causing error code 0x204 is that the Remote Desktop Protocol is not enabled on the Windows machine. However, this problem could also be caused by your firewall (because the process used by Remote Desktop is being exploited by various malware).

  1. Check your Internet connection with your ISP.
  2. Uninstall and install Microsoft Remote Desktop.
  3. Install the Microsoft Remote Desktop Beta.
  4. Moving folders to libraries. After you have installed com. Microsoft. RDC. macOS, etc.

  1. Run a Windows update.
  2. Run a virus scan.
  3. Check the public network profile.
  4. Change your firewall settings.
  5. Check your permissions.
  6. Allow connections to the remote desktop.
  7. Reset your credentials.
  8. Check the status of the RDP services.