By Vivian / Last Updated January 21, 2022

RD Client 0x204 on iPad

I successfully downloaded and connected to my computer using the RD Client on my iPad. But now I'm unable to connect and receive an Error Code: 0x204. Is there something I'm missing? Is there a way out?

Error Code

How do I fix RD Client 0x204 on iPad or iPhone?

It seems irritating enough for every user of RD Client when RDP to a server on iPhone or iPad but finally get the Error Code 0x204. Here we summarize 5 solutions on iPad and host PC accordingly for you to quickly fix it.

What to do on iPad or iPhone

Fix 1. Check the latest version of RD Client or reinstall RD Client

The iPad RDP Client Error Code 0x204 may be related to the old version of the RD Client. Therefore, the issue may be fixed by checking for the latest version or uninstall and reinstalling RD Client.

Check the latest version

Step 1. Open App store, click on “Update” if it shows. Until it becomes “Open” in the blue button like the picture shows.

RD Client on iPad

Step 2. Connect to the remote PC again to check if the issue disappears.

Uninstall and reinstall RD Client

Step 1. Press the icon of the RD Client for a long while, and then choose “Delete Apps”.

RD Client

Step 2. Search RD Client in the app store, and then click on “Install”.

Step 3. Connect to the remote PC again to see whether the issue has been fixed.

Fix 2. Reset the network settings

The network is another cause that cannot be missed. We can reset the network settings to fix the issue.

Step 1. Navigate to Settings > General > Reset

Step 2. Locate on “Reset Network Settings”.

Reset Network Settings

Step 3. After the auto rebooting, reconnect to the WLAN or Turn on Cellular Data. Connect to the remote PC and check whether the issue has been fixed.

Open Cellular Data

What to do on Windows

If the RD client on iPhone, iPad, or Mac is in a good condition, then we can consider that if there is something wrong with the host Windows computer. We may settle out the Error Code: 0x204 by checking Remote access in System Properties, allowing RDP in Windows Firewall... Have a look on the concrete steps.

Solution 1. Check Remote Desktop access in System Properties

Step 1. Right-click on “This PC”, and then choose “Properties”.

Properties

Step 2. Locate on the “Remote” tab, and then tick “Allow remote connections to this computer” and uncheck “Allow connections only from computers running Remote Desktop with Network Level Authentication”.

Remote Allow Remote Connection

Step 3. Click on “Apply” and then choose “OK”.

Solution 2. Allow Remote Desktop in Windows Firewall

Step 1. Search Windows Firewall in the search box, and then open it.

Windows Firewall

Step 2. Choose “Allow an app through Windows Defender Firewall” on the left side.

Allow App or Feature

Step 3. On the new window, choose “Change settings”. Scroll down and find the “Remote Desktop”and “Remote Desktop (Websocket), tick “Private” and “Public”. And then click on “OK”.

Tick Remote Desktop

Solution 3. Port Forwarding Mapping in Router

Step 1. Search CMD in the search box, and then right-click the option “Run as Administrator” on the remote PC. Input “ipconfig” and then press the “Enter” key.

Default Gateway

Step 2. Get the IP address of the remote PC, and then log in to your router and then locate “Port Forwarding”.

Step 3. Enable “Port Forwarding and then add the profile to forward TCP 3389 to the IP address of the remote PC.

Enable Port Mapping

An alternative to RD Client-- AnyViewer

Are you still meeting with the RD Client 0x204 on iPad? If you still struggle to find ways to fix the issue, why not choose a remote access software, like AnyViewer. Supported by a strong team, AnyViewer is being better and better. With it, you won't be limited by the same LAN and you can enjoy the fast connection speed and easy operation. 

Click on the download button to get AnyViewer!

  • For Windows
Download Freeware Win 11/10/8.1/8/7
Secure Download

Step 1. On the PC, find the position of Settings and the device ID. Click on Settings > Recipient > Set my security code, and then type the security code, click on “OK”.

Accept Remote Control

  • For iPhone/iPad
Download Freeware iOS 10.0 or later
Secure Download

Step 1. Download and install AnyViewer for iOS on your iPhone or iPad.

Step 2. Open AnyViewer on your iPhone, enter the device ID of the PC, and then click on “Connect”.

Enter Device ID

Step 3. Choose “Security Code” on the iPhone.

Control Mode

Step 4. Input the security code and then the connection will be established.

Conclusion

How do we fix the RD Client 0x204 on iPad or iPhone? In this post, 5 fixes for iPad and host PC accordingly are recommended to help you get rid of the trouble. Hope those fixes are helpful for you. But if you are still finding ways to fix the issue, AnyViewer can be a good solution for you.