How to fix dolphin traversal server connection error?

Dolphin is one of many emulators that makes possible for PC gamers to play game online with an enhance experience. It has a feature like HD game view, turbo speed, multiplayer network, compatibility with PC controllers and etc.

Recently, many a user reported about dolphin traversal server connection error. If you are dealing with the same issue, then you should follow our guide. We will help you in making familiar with what is the Transfer server and fixing the connection error that you receive.

This open source emulator helps users of Nintendo video game consoles, mainly GameCube and Wii to enjoy the games with superior features.  It brings best audio and video quality to the video game and allows the users to play game in multiplayer modes, have an online session with their friends or other players. It supports for all Windows versions, Macs, Linux and Android systems.

The Dolphin Transversal server connection is required for the Dolphin emulator to create a host code. The code active till the host stays up. If the server goes down, Dolphin can’t create a host code that results the dolphin traversal server connection error.

The possible factors responsible for the said error include:

  • Outdated Dolphin version,
  • Overprotective security software,
  • System Cache,
  • Bugs interfering with the server,
  • Issues with wireless routers.

Now, as we understand the nature of the issue and the possible reasons what lead into it, it is a time to learn its possible troubleshooting solutions. Below, we have provided the best possible fixes that you should try to resolve the issue:

Possible fixes for dolphin traversal server connection error

Fix 1: Use the Latest Dolphin Version

First of all, you should make sure that you are using correct and updated Dolphin version. In many cases, the problem is caused because users are using older versions. Make sure that your version is new and also ensure that you have the same Dolphin version as your friends as if you have different versions, it may cause compatibility issue and also de-synchronization and eventually the transversal server connection issue. Visit the official Download Emulator download page and download the latest version.

Fix 2: Temporary disable Anti-virus solution

The security software running on systems might block Dolphin or interfere with its working. So, it is important to make ensure that the firewall running on your system enables the game on your PC. If it is blocking the game, you should consider temporarily disable the software to resolve the issue.

Fix 3: Use Virtual Private Network

If dolphin traversal server connection error continues, there is a time you should check if your internet service provider is blocking the application on your system. If so, you should use VPN. It will help you with limited connection issues. It is also helpful when there is congestion in your network that could be another reason for transversal server connection error.

Fix 4: Clear DNS Cache

System Cache can build up and cause issues with connectively. There are many cases arise when Domain Name System ends up bringing problems for you. This includes changing the IP addresses, bad result storage and more. Flushing the DNS is therefore another fix that you should to resolve dolphin traversal server connection error. Here are the simple steps of doing this:

  • Type CMD on the Windows Search,
  • Right-click on Command Prompt and select Run as Administrator,
  • In the Command line, type ipconfig/flushdns and hit Enter,

  • Once done, verify if the DNS cache is cleared or not. For that, type ipconfig/ displaydns and hit Enter.

Fix 5: Forward Required Ports

If you want to connect to your friends during playing game online, you should forward the relevant ports on the default gateway of your web browser. This is possible while hosting a NetPPlay session.. Even if you are dealing with the transversal server connection error, you will be able to use port forwarding. Port forwarding is also helpful in improving the network performance and ultimately fixing the error:

  • Go to the Portforward website and check for the default ports for your game to run,

  • Note down the IP address, Username and Password of your router,
  • Type the IP address on your browser,

  • Now, log-in with your Username and password,
  • Next, search for Port Forwarding and enable,
  • Type the port number the then and fill the required fields,

  • Finally, click on Save option for the port to be successfully forwarded,
  • Check the next of the transfer server connection error is resolved.

Fix 6: Contact Dolphin Emulator Support

If dolphin traversal server connection error continues, you should consider that the actual problem is with the server and there is nothing you can do but wait for the server to get back on the track. Also, you can contact the team of Dolphin emulators for further inquiry.


That’s all! We are now rounding off our article on how to fix dolphin traversal server connection error. Hope so, these fixes are helpful for you in getting rid of the problem. You can use PC Repair Tool – an automatic tool to check for Windows related issues to provide their automatic fix.