5 Ways to Fix World of Warcraft’s WOW51900319 Error on a Windows PC

Many World of Warcraft players have reported the WOW51900319 error on Blizzard’s support forum and Reddit. Players who need to fix this issue often see an error message that says, “You have been disconnected from the server (WOW51900319).” This error makes World of Warcraft unplayable when it reoccurs regularly. Some players have reported this connection issue to reoccur every 10-15 minutes when playing World of Warcraft. These are some of the best ways to fix the WOW51900319 error on a Windows PC.

Power Cycle Your Router

Blizzard recommends players try power cycling their routers to resolve World of Warcraft disconnection issues. To do that, turn off and unplug your internet router and modem and wait for a few minutes. Plug your router/modem back in, turn it back on, and then wait a few minutes for all the connection lights to come back on.

Clear the DNS Cache and Renew the IP

The WOW51900319 error is a network-related issue some World of Warcraft players confirm can be fixed by clearing DNS cache data and renewing IP addresses. You can do that by executing a triumvirate of network commands in the Command Prompt like this.

1. First, right-click the Start menu button on the left or in the middle of the Windows taskbar and select Search.
2. Enter a cmd search phrase into the file finder tool to locate the Command Prompt.
3. Click Run as administrator for the Command Prompt app shown in the search results.
4. Enter ipconfig /flushdns and press Return to clear DNS cache data.
   
5. Next, input the ipconfig /release command into the Prompt and press Enter.
   
   

   The ipconfig /release command

6. Finally, type in the ipconfig /renew command and hit Enter to execute.

Disable Internet Protocol Version 6

World of Warcraft is an old game that doesn’t always work that well with the newer IPv6 protocol. A few users have also said disabling IPv6 worked for them. So, try disabling Internet Protocol Version 6 as follows.

1. First, start the Run dialog by pressing the Windows logo + R key combination.
2. Input a ncpa.cpl Run command for accessing Network Connections in the Control Panel and click OK.
3. Right-click the internet network adapter to select the Properties context menu option.
4. Uncheck (deselect) the selected Internet Protocol Version 6 checkbox.
   
   

   The Internet Protocol Version 6 checkbox

5. Click OK to exit the connection properties window.
6. Exit the Control Panel and click the Start menu’s Restart option.

Disable the Optimize Network for Speed Option

1. Launch the World of Warcraft game.
2. Click the Menu button.
3. Select System on the Game Menu.
4. Click on the Network tab.
5. Deselect the Optimize Network for Speed setting if it’s enabled.
   
   

   The Optimize Network for Speed option

6. Press the Apply button to save settings.

Change Your PC’s DNS Settings

Slow and unreliable ISP DNS servers are another potential cause of the WOW51900319 error. The Google DNS server is preferable for World of Warcraft. This is how you can change your PC’s DNS settings to Google.

1. Open the Network Connections Control Panel applet as instructed in the first two steps of resolution three.
2. Click the internet connection network adapter with the right mouse button to select Properties.
3. Select the Internet Protocol Version 4 and press the Properties button.
4. Click Use the following DNS server addresses to select that option.
5. Type 8.8.8.8 into the box with the Preferred DNS Server label.
   
   

   The DNS settings

6. Next, input a Google DNS value of 8.8.4.4 into the Alternative DNS box.
7. Select OK to set the new DNS values.

Other Potential Ways to Fix the WOW51900319 Error

There are also a few other potential fixes for the WOW51900319 error worth trying. Try applying these potential solutions for the WOW51900319 error.

• Update the driver for your PC’s network adapter.
• Verify (repair) the World of Warcraft game files as instructed on this Blizzard support page.
• Set the Max Background FPS option to 30 on the Advanced tab in World of Warcraft.

I hope one of those potential WOW51900319 error fixes resolves that World of Warcraft connection issue on your PC. Blizzard also has a support service you can contact if further possible resolutions for this issue are required. Log in to your Blizzard account to send a support ticket from this Blizzard help page.