WOW, Error 51900319 error is a World of Warcraft error. Talking of World of Warcraft is a Massive Multiplayer RPG game. When it comes to MMO RPG, this game is considered the king of all MMO RPG games; famous among players, it is the most played MMO RPG game. Due to its fame, a movie has already been made. So let’s check out everything about the WOW Error 51900319 article.

Wow51900319 Error

Aside from these things recently, many users have been facing issues while playing the game. Since the game is an MMO RPG, it has to be connected to the server all the time, so it can be a little hard on the server. That is why RPG games have frequent server issues. This troubleshooting guide will review some methods to fix the WOW Error 51900319 error.

World of Warcraft (WoW) has captivated gamers all over the world for years with its enthralling world full of mythical creatures and epic battles. However, a variety of errors, including the infamous WOW Error 51900319, can occasionally interfere with this immersive experience. This article delves deeply into this problem, tracing its history and offering thorough solutions to guarantee a seamless gaming experience. Now let’s get to know more about this WOW Error 51900319 guide.

Causes of WOW Error 51900319 Error Problem Issue

Talking of the causes behind the WOW Error 51900319 error, there are many. Users who have faced this Error and solved the issues claim multiple causes of this issue. Some users claim that there is an option to Optimize the Network for Speed in the game; if it is turned on, the error appears. Some users say that the error appears because of IP version is set to 6 instead of 4. Furthermore, users also say that if you are using a Netgear router and its firmware is outdated, the error seems to appear.

  • Optimize Network for Speed in the game is turned on
  • The IP version is set to 6 instead of 4
  • Netgear router and its firmware are outdated, then. The WOW Error 51900319 error seems to appear.
  • Dynamic QoS option disabled
  • Slow or Unstable Network
  • Temporary Network Issue

Similar Types of WOW Error 51900319 Error Problem Issue

How to Fix WOW Error 51900319 Error Problem Issue

Now let’s get to all the ways by which you can fix the WOW Error 51900319 error. Below we have demonstrated all the methods using steps.

1. Turn OFF Optimize Network for Speed

Let’s start with one of the major causes of the WOW Error 51900319 fix; many users claim that this is the main reason why the error appears. If it is turned, you will get this error. The option can be turned off by going to the main menu. Follow the steps for a clear understanding.

  • STEP 1. While you are on the main menu, click on the System
  • STEP 2. If you are in the gameplay screen,  use the Esc button to bring up the Pause menu and Click on the System
  • STEP 3. On the left, click on Network
  • STEP 4. Now you can see the option of Optimize Network for Speed

Optimize Network for Speed

2. Updating NETGEAR Software Firmware

If you are a user of NETGEAR, and if you have followed the above method and found that everything is fine. There is a good chance that the issue is because of your Netgear router’s outdated firmware. To fix this WOW Error 51900319 error issue, follow the below steps.

  • STEP 1. Fire up your browser and open this link
  • STEP 2. Once the website is opened up, you have to Enter your username and password


  • STEP 3. However, if you have no idea about the credentials, the default credentials have been mentioned in the documentation, or you can check on the router
  • STEP 4. Once you have entered the username and password, you can now access the controls of your router
  • STEP 5. Go to the Advanced section > Administration > Firmware Update or Router Update option


  • STEP 6. Now locate and click on check for new firmware
  • STEP 7. If there are any pending firmware updates, they will be downloaded and installed automatically
  • STEP 8. Once updated, restart your router to eliminate the WOW Error 51900319 wow error.

3. Enable Dynamic QoS on NETGEAR Router

If the WOW Error 51900319 wow error persists, there is one more thing you have to do. Many users have claimed that if Dynamic QoS is turned off, the error appears. Mostly the error is seen on the NETGEAR router. But it is suggested that you check this option if you have another router.

  • STEP 1. Fire up your browser and open this link
  • STEP 2. Once the website is opened up, you have to Enter your username and password
  • STEP 3. However, if you have no idea about the credentials, the default credentials have been mentioned in the documentation, or you can check on the router
  • STEP 4. Once the Control Panel window opens up, on the left side, click on Dynamic QoS
  • STEP 5. Once you click on Dynamic QoS on the right, you will find a checkbox for Enable Dynamic QoS


  • STEP 6. Tick the checkbox, save the changes, and you are all set for WOW Error 51900319 legion error-free gaming.

4. Disable IPv6

Another way users have fixed the WOW Error 51900319 fix issue is by disabling the IPv6. Users have reported that if IPV6 is enabled, the error seems to appear. Follow the below steps to disable IPv6.

  • STEP 1. Open up the Run Window and type ncpa.cpl then hit Enter
  • STEP 2. In the network connection window, Right-click on your connection
  • STEP 3. Go to Properties
  • STEP 4. In the Properties windows, go to Intenet Protocol Version 6 (TCP/IPV6), and uncheck it

ipv6 WOW Error 51900319

  • STEP 5. Once done, save the changes, restart your system, and run the game to fix this WOW Error 51900319 error issue.

5. Set Background FPS to 30FPS

Now, this may seem a little strange to you, as it seems like a network issue. But this WOW Error 51900319 fix solution is useful for many users. Follow the steps now.

  • STEP 1. While you are on the main menu, go to System 
  • STEP 2. If you are in the gameplay screen,  use the Esc button to bring up the Pause menu and Click on the System
  • STEP 3. Under system settings, on the left, click on Advanced
  • STEP 4. You will see a lot of options; locate Max Background FPS
  • STEP 5. Now set the FPS to 30 using the slider

Max Background FPS WOW Error 51900319

  • STEP 6. Save the changes, and now run the game
  • STEP 7. However, if the issue persists, get back to the Advanced settings
  • STEP 8. This time look for Max Foreground FPS

Max Foreground FPS WOW Error 51900319

  • STEP 9. Once you have found the settings, use the slider and lower its value from the current
  • STEP 10. Now save the changes and run the game without any WOW Error 51900319 error problem.

6. Miscellaneous Tips

If the WOW Error 51900319 error is still occurring, there may be some other issues; go through the important points below to fix the issue.

  • Re-connect your Network: After getting the, close the game. Disconnect the network and after a few minutes, reconnect the network.
  • Restart System: There are times when multiple background services conflict with the game services. So try restarting your system.
  • Reset Router: There may be some temporary issues with the router. To fix them, reset it
  • Disable Antivirus and Firewall: It is highly recommended that you run the game with the firewall disabled. Also, if you are using any third-party antivirus, disable it as well.


So this is all about the WOW Error 51900319 article guide. This is the end of the troubleshooting guide on WOW Error 51900319 error. We conclude that by following the guide, you can fix the issue. However, if the error persists, tell us through the comments. This guide has gone through all causes and their respective solutions. For more troubleshooting guides, tips, and the latest news on gaming like this WOW Error 51900319 error follow us. Thank you! Hope you like this WOW Error 51900319 from here now.

Hope you enjoy checking this type of WOW Error 51900319 content. The epic adventures in Azeroth may be hampered by WOW Error 51900319, but with the suggested fixes, players can successfully resolve this issue. The path to resolving this error includes basic troubleshooting, modifying network settings, managing security software, updating game files, and looking for advanced solutions. Now that you’re well-informed, it’s time to return, uninterrupted and with renewed vigour, to the thrilling quests and breathtaking vistas of World of Warcraft. If you enjoy reading the WOW Error 51900319 then please do share WOW Error 51900319 with others as well also.

Frequently Asked Questions (FAQs):

1. What exactly is WOW Error 51900319?

Players frequently experience WOW Error 51900319, which is typically related to connection issues. This error results in players being disconnected from the game server and can occur due to several reasons such as network congestion, firewall/antivirus interference, outdated game files, or server downtime.

2. How do I recognize that I am facing WOW Error 51900319?

When you experience an abrupt disconnect from the game and then see an error message with the code 51900319 on your screen, that is WOW Error 51900319.

3. Can a simple restart of the game client or computer help in resolving this error?

Yes, restarting your computer or game client can fix minor connection problems and is the first step that should be taken when troubleshooting this error.

4. How important is it to check the official WoW server status when encountering this error?

It is essential to check the WoW server’s status because the error might be the result of Blizzard-related problems or maintenance. Players must wait until the server is back online if it is down.

5. Can network settings impact WOW Error 51900319?

Absolutely. The connectivity between your game client and the World of Warcraft servers is significantly influenced by network settings, including DNS configurations. Changing these settings can frequently assist in fixing the issue.

6. How does security software interfere with World of Warcraft?

Errors like 51900319 can occur as a result of firewalls and antivirus software misinterpreting game data as malicious and blocking connections to the game server. To fix connectivity problems, these software settings must be managed and configured.

7. Is updating the game files necessary to fix this error?

Yes, it is crucial to make sure your game files are current. Connection errors are one of the problems that can result from outdated or corrupt game files.

8. When should I consider reinstalling World of Warcraft?

Reinstalling the game should only be attempted as a last resort if all other attempts at troubleshooting have failed.

9. What if the error persists even after following all the mentioned solutions?

After attempting all of the suggested fixes, it is advised to contact Blizzard’s customer support for more specialized help and additional direction if the error 51900319 still occurs.

10. Will resolving WOW Error 51900319 ensure a smoother gaming experience?

Addressing and fixing WOW Error 51900319 will lessen interruptions and disconnections, making the World of Warcraft universe more seamless and enjoyable for gamers.


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