Full Fix: WoW Error 51900319

Matthew Adams
by Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it. He is passionate about... Read more
Affiliate Disclosure
  • Encountering the WoW Error 51900319 is not a good experience, but this guide will help you resolve it.
  • To start fixing it try reducing the game's foreground FPS, and then follow the next steps.
  • Check out our extensive Blizzard Fix Hub for more useful guides covering this topic.
  • For more game issues fixes for a variety of titles, bookmark our comprehensive Gaming Troubleshooting section.
Fix WoW Error 51900319
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WoW Error 51900319 is an error that occurs for World of Warcraft. That is a connection error which can arise when players are playing World of Warcraft. The error message states:

You have been disconnected from the server. Error Code: WOW51900319

So, players get disconnected from the World of Warcraft server when WoW Error 51900319 occurs. Do you need to fix that error? If so, check out some of these potential resolutions for it.


How can I fix the WoW Error 51900319?

1. Reset your Router

  1. Firstly, try resetting your router to clear its data. To do so, shut down your desktop or laptop.
  2. Power off your internet router.
  3. Unplug the router, and wait for a few minutes.
  4. Then plug the router back in again.
    Router plug wow 51900 error 319
  5. Power on the router.
  6. Restart your desktop or laptop, and open World of Warcraft again.

2. Flush the DNS

  1. Blizzard recommends flushing the DNS to resolve World of Warcraft connection issues, such as WoW Error 51900319. To do that, click the Type here to search taskbar button in Windows 10.
  2. Input Command Prompt to search for it.
  3. Right-click Command Prompt and select the Run as administrator context menu option.
  4. Next, enter ipconfig /flushdns in the Command Prompt.
    ipconfig /flushdns wow 51900 error 319
  5. Press the Enter key to initiate the command.

3. Switch to Google DNS

  1. Switching to Google DNS might resolve WoW Error 51900319 for some players. Type the keyword network in Windows’ search box.
  2. Select View network connections to open the Network Connections Control Panel applet.
    Network Connections applet wow 51900 error 319
  3. Right-click your net connection and select the Properties option for it.
     Wi-Fi Properties window 51900 error 319
  4. Select Internet Protocol Version 4 on the Networking tab.
  5. Click the Properties option
  6. Select the Use the following DNS server addresses option.
  7. Enter 8.8.8.8 Preferred DNS server box.
  8. Enter 8.8.4.4 in the Alternative DNS server box as in the snapshot directly below.
    Internet Protocol Version 4 window wow 51900 error 319
  9. Click the OK button to exit.

4. Deselect the Optimize Network for Speed option

  1. Some World of Warcraft players have confirmed deselecting the Optimize Network for Speed option can fix WoW Error 51900319. To deselect that option, press Esc in World of Warcraft to open the Game Menu.
  2. Click the System button.
  3. Select Network on the left of the window.
  4. Deselect the Optimize Network for Speed check box.
    Optimize Network for Speed option wow 51900 error 319
  5. Select the Apply option.
  6. Click the Okay button.

5. Disable VPNs

  1. Connection errors can arise when players play World of Warcraft with VPN connections. To disable a VPN, enter network in the Windows search box.
  2. Click View network connections to open Network Connections in the Control Panel.
  3. Right-click your VPN connection and select Disable.
    The Disable option wow 51900 error 319
  4. Then play World of Warcraft with your non-VPN connection.

6. Disable IPv6

  1. Try disabling the IPv6 protocol, which isn’t needed for older games. Open Network Connections in the Control Panel.
  2. Right-click your active connection and select Properties.
  3. Deselect the Internet Protocol Version 6 checkbox.
  4. Select the OK option.

7. Lower the background FPS

  1. Another confirmed fix for WoW Error 51900319 is to reduce the game’s background FPS. Open the World of Warcraft menu with the Esc key.
  2. Click System to open further options.
  3. Click the Advanced tab.
  4. Select the checkbox for the Max Background FPS slider.
    Advanced tab wow 51900 error 319
  5. Reduce the background FPS to a lower value with the slider.
  6. Don’t forget to click Apply.
  7. Click Okay to exit.

There’s a pretty good chance the above resolutions will fix WoW Error 51900319 for most World of Warcraft players. Those who need further potential fixes for WoW Error 51900319 can send a support ticket from Blizzard’s support page.


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Frequently Asked Questions

  • If you see the error code blz51901016, then it means that your device is either not powerful enough to run the game, or that your internet connection is lacking the required speed. Have a look at this complete list of routers built for speed.

  • The wow51900319 is an error that is caused by your game losing connection to the WoW servers. For information on how to fix it, this guide should prove useful.

  • To improve the lag on WoW, close any running applications that might use the internet, and modify the game’s graphics settings.

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