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 Fix: Windows 11 Remote Desktop Connection’ Internal Error Has Occurred’ Error

With Windows 11, all users are excited about its simplified user experience and useful features for its reliable operation. A few users, on the other hand, have recently complained about the “An internal issue had occurred” issue in Remote Desktop. According to the suffered users, the Remote Desktop Connection client isn’t working properly and preventing them from accessing a number of useful services. However, the same issue is easily resolvable, and we have a few fixes as well,

How to Fix RDP Error: An Internal Error has Occurred.

The most common cause of “An internal issue has occurred” error is a change in RDP settings or local group policy security. We have received multiple reports claiming that some users have been affected by this error due to Remote Desktop Connection settings, RDP security, or the issue with the system’s domain. Anyway, in this article, we’ve put up a thorough list of probable remedies, along with a step-by-step guide for resolving the problem. Have a look.

Fix 1: Change Remote Desktop Connection Settings 

To begin, we’ll tweak the RDP settings to see if we can isolate the problem. Some users have claimed that once they ticked the ‘Reconnect if the connection is dropped’ option, their problem got cured. By following the given steps, you can get rid of this problem:

  • Open Remote Desktop Connection from the Start Menu by searching for it.
  • To see all of the options, click Show Options.
  • Go to the Experience tab and tick the checkbox beside the ‘Reconnect if the connection is lost’ option.
  • Finally, try to reconnect and check the issue is resolved or not.

Fix 2: Domain Rejoining 

The domain to which your system is linked can sometimes cause the “An internal issue had occurred” error. In such circumstances, deleting the domain and rejoining it will resolve the problem. The issue gets solved if you follow the steps listed below:

  • Firstly, open Settings by pressing Windows Key +I altogether.
  • Then go to Accounts and select the Access work or school option.
  • Click Disconnect after selecting the domain to which you’ve connected your system.
  • When asked to confirm, select Yes.
  • Disconnect your system and restart it as instructed.
  • If you want to join the domain again after restarting your system, you can do so.
  • Use RDP once more.

Fix 3: Changing the MTU value 

Changing your MTU value is another option for resolving the problem. The Maximum Transmission Unit (MTU) is a huge packet size that gets be sent on a network. Dropping the MTU value may assist in resolving the problem. This is how you do it:

  • Firstly, you’ll need to download a program called TCP optimizer to adjust your MTU setting.
  • Now open TCP Optimizer as an administrator once it has been downloaded.
  • Select Custom beside the option Choose settings from the bottom.
  • Then set the MTU value to 1458.
  • Exit the software after clicking Apply Changes.
  • Once done, check if the said issue has been rectified.

Fix 4: Activate Persistent Bitmap Caching 

Another possibility is that the “Persistent Bitmap Caching” function in the RDP settings has been disabled. As a result, you need to open the Remote Desktop Connections software and alter this setting from the experience panel. By following the steps given below, you can accomplish this:

  • Firstly, press Windows + S and type “Remote Desktop Connection” in the search box.
  • Then click on the “Show Options” button and the select Experience tab.
  • Check the “Persistent Bitmap Caching” option on the experience tab before saving your changes.
  • Once done, try to make the Remote Desktop connection and then check whether the issue resolves or not.

Fix 5: Restarting the Remote Desktop Service 

Sometimes restarting the Remote Desktop Service might resolve the “An internal issue had occurred” issue. For doing that, follow these steps,

  • Firstly, press Windows + altogether to open the Run dialog box.
  • Then type “services.msc” and then press OK.  
  • Now select Remote Desktop Service, double-click on it, and select Stop.
  • After waiting at least 5 seconds, press the Start button.
  • Finally, check whether the said issue still exists.

Fix 6: Disable Static IP on System

It’s possible that this issue is being caused by the fact that you’ve set your network adaptor to use a static IP, and it’s not correctly aligning with the Remote Desktop Connection. In this scenario, you need to disable the static IP through the Network configuration setting. For doing so, follow these steps,

  • Firstly, press Windows + R to launch the RUN prompt.
  • Then type “ncpa.cpl” and then press OK to open the network configuration panel.
  • Now right-click on your network adaptor and choose Properties from the network configuration menu.
  • In the Wi-Fi Properties window, double-click on the Internet Protocol Version 4 (TCP/IPV4) and then select the General tab.
  • Then tick the option Obtain IP Address Automatically and click on OK to save all the changes.
  • Once done, check the issue persists or not.

Fix 7: Turning Off VPN Connection 

Your computer may be configured to use a proxy or VPN connection, so its Internet connection may be routed to another server, which may prevent it from establishing a proper connection. Here the best possible solution is to disable the proxy settings in Internet Explorer and make sure to disable all VPNs on the system., press Windows + R simultaneously to launch the Run dialog box.

  • Then type “MSConfig” and click on OK.
  • From the system configuration window, select the boot option and then tick the “Safe Boot” checkbox.
  • Now press Apply to save the changes and then click on OK.
  • Once done, restart the system enter into the safe mode.
  • Further, press the Windows + R together again, then type “inetcpl.cpl” in the Run dialogue box and press OK.
  • Select the Connections tab from the Internet Properties dialogue box that appears on your screen.
  • Then untick the Use a proxy server for your LAN option and click on the OK button.
  • Return to the System Configuration window again and untick the safe boot option this time, then save all the changes.
  • Once done, restart the system and check the said issue is resolved or not after you’ve saved your modifications.

Fix 8: Modify the Startup of Service

At times, allowing the Remote Desktop service to start automatically helps to fix the “An internal issue has occurred” error in no time. For doing so, follow these steps,

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  • Press Windows + R simultaneously to launch the Run dialog box.
  • Then type “Services.msc” and click on OK.
  • In the service management window, double-click the Remote Desktop Services option, then select Stop.
  • Now set the Startup Type as Automatic and click on the OK button.
  • Once done, restart the system and check the said issue persists or not.

Fix 9: Allow Remote Connections 

If Remote Connections are not allowed on your system due to certain system configurations, you may encounter the “An internal issue has occurred” error when attempting to use RDP. In this case, you need to reconfigure this setting in the Control Panel by following the steps given below,

  • Press Windows + R simultaneously to launch the Run dialog box.
  • Then type “Control Panel” and click on OK.
  • Select the System and Security option in the Control Panel and then select System.
  • Now click on the Advanced System Settings link from the left pane menu.
  • In the Advanced System settings, select the Remove tab and click the radio button beside the Allow Remote Assistance Connections to this Computer option.
  • And tick the check box beside the Allow connection only from computers running Remote Desktop and Network Level Authentication. 
  • Once done, click on Apply and press the OK button to save the changes.

Fix 10: Disabling Network-Level Authentication 

If any of the above solutions do not help you, then you need to disable Network Level Authentication or NLA. For doing so, follow these steps,

  • Firstly, right-click on This PC from your desktop and choose Properties.
  • Then select Remote Settings.
  • Inside the System Properties window, under the Remote Desktop section, untick the checkbox beside Allow connection from computers running Remote Desktop with Network Level Authentication option.
  • Then click on Apply and then press the OK button to save the changes.
  • Once done, now the issue gets resolved for you.

These are the reliable 10 fixes to resolve the Windows 11 Remote Desktop Connection ‘internal error has occurred’ error. We hope you found this tutorial easy to follow and that you were able to resolve the problem.

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If any of the above solutions do not help you, then you need to go back to the previous version of Windows. This trick helped several users to escape from the same error. If you have any queries or feedback, please leave a comment in the below comment box.

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