Error 0x204: How to fix Remote Desktop Connection issues

Remote Desktop Protocol is a proprietary protocol developed by Microsoft which provides a user with a graphical interface to connect to another computer over a network connection. The user employs RDP client software for this purpose, while the other computer must run RDP server software. See the following guides for how to allow saved credentials for RDP connection and Error code 0x4, Session disconnected: Your session ended because of an error, if this keeps happening, contact your system administrator for assistance, The logon attempt failed for the remote desktop connection, We Could not connect to the remote PC with error code 0x204 and make sure the PC is turned on and connected to the network – Part 1, and We could not connect to the remote PC with error code 0x204 and make sure the PC is turned on and connected to the network – Part 2.

The Remote Desktop Connection error 0x204 can be due to various reasons like driver issues, security permission, recently installed hardware, network-related issues, etc.  See the following guides to resolve some mere Remote Desktop Connection issues.

Fixing Remote Desktop Connection issues

Issues address in the attached troubleshooting guides are as follow
– Ensure the device is truly turned on.
– Network connectivity issue ( Ensure you enter the right IP Address) and ensure you are on the same network.

check that you are on same network

Note: Despite meeting the following details, you may still not be able to start remote desktop connection to a remote device. Kindly follow the steps below to resolve the RDP issue

Windows Firewall or Anti-Virus Agent

This is one of the areas you should look at to resolve Remote Desktop problems. If the Firewall blocks Remote Desktop, you will NEVER be able to connect to the remote device. As you can see below, Norton 360 currently manages these settings and not Windows Defender Firewall.

On windows firewall, clcik on Norton (Anti-virus)

Since I am using Norton 360, I will click on Norton 360 to open it
– Click on settings and under Traffic rules
– Uncheck the Active button “for the Default Block Remote Desktop”
– Click on modify to to change the block state to “allow” state and
– Click on apply to complete this setup.

Note: If you do not have an external Anti-Virus solution, Remote Desktop is not enabled in Firewall by default, so if you are running Remote Desktop for the first time, you have to allow it through the firewall. 

To do this, follow the steps below.
- Launch the Control Pannel (You can also use the Windows Settings)
- Click on "Allow an App through the firewall" 
Allow an app through Windows firewall

This will open up the “Allowed Apps” window as shown below
– Click on Change Settings in order to be able to make the changes
– And click on OK to complete the configuration.

Check Remote Desktop
Not a domain joined device
For a device that is connected to a domain and you wish to permit RDP, simply check the button under "Domain" as shown below.
Check the Button under Domain
Domain Joined device

Ensure Remote Connection is allowed

To enable remote desktop connection, launch the Windows Control Panel as follow
– Click on “Allow remote Access”
Note; You can also search from the Windows search button for “remote settings”

Allow remote access

This will open the System Prepares Windows.
– Check Allow remote connections to this computer and
– Click OK to save changes.

Check on Allow Remote Assistance connection to this computer
Note: In this window above, you can restrict RDP connection to selected users. 

I hope you found this blog post fixing Remote Desktop Connection issues helpful. If you have any questions, please let me know in the comment session.

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2 years ago

Default Block settings was enabled in Norton. Once I disabled this setting Remote Desktop started working for me.

Last edited 2 years ago by Abhishek
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