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How do you fix Wiimmfi Error Code 20100?

Published on April 13th, 2022

The Wii error code 20100 is a connection error that occurs when trying to connect the Wii console to the Internet. This error is usually caused by a problem with the router or modem, and can be fixed by power cycling the router and modem.

1. Use a different region game

  1. Open the wiimmfi.cfg file in a text editor.
  2. Find the region you want to use and change the value of the "Region" line to match.
  3. Save the wiimmfi.cfg file.
  4. Restart your Wii U.
  5. If the error persists, try reinstalling the wiimmfi client.

2. Use a different router

  1. In the wiimmfi application, go to the "Settings" tab.
  2. Choose the "Router" option from the menu.
  3. In the "Router" tab, select the router you would like to use.
  4. Choose the "Wired" or "Wireless" option depending on the connection you have.
  5. Choose the "Settings" option.
  6. Select the "Link Status" tab.
  7. Choose the "Status" option.
  8. Choose the "Properties" option.
  9. Check the "Link" and "Wireless" boxes.
  10. Choose the "Action" option.
  11. Choose the "Enable" option.
  12. Click the "Apply" button.

3. Use a different DNS server

  1. Remove the wiimmfi.conf file if it exists
  2. Edit the /etc/resolv.conf file
  3. Add the DNS server address of your choice after the nameserver line
  4. Restart the wiimmfi service
  5. Try connecting to wiimmfi again

4. Use a different Wii

  1. If you have a Wii that is not connected to the Internet, first make sure that it is properly plugged in to an electrical outlet and your Wi-Fi is turned on.
  2. If you have a Wii that is not connected to the Internet, first make sure that the power cord is properly plugged into the wall and the Wii is turned on.
  3. If you have a Wii that is not connected to the Internet, first make sure that the network cable is properly plugged into the back of the Wii and the TV.
  4. If you have a Wii that is not connected to the Internet, first make sure that the Wii is connected to the Internet by following the instructions in the wiimmfi.com/getting-started-guide.
  5. If you have a Wii that is not connected to the Internet, first make sure that the Wii is connected to the same Wi-Fi network as your computer.
  6. If you have a Wii that is not connected to the Internet, first make sure that the computer is connected to the same Wi-Fi network as the Wii.
  7. If you have a Wii that is not connected to the Internet, first make sure that the computer and the Wii are on the same wireless network.
  8. If you have a Wii that is not connected to the Internet, first make sure that the computer is running the latest version of the Wiimote software.
  9. If you have a Wii that is not connected to the Internet, first make sure that the computer and the Wii are on the same firmware version.
  10. If you have a Wii that is not connected to the Internet, first make sure that the computer and the Wii are on the same operating system.

5. Use a different Internet connection

  1. If you are using wiimmfi on a computer that is connected to the internet through a cable, power off the wiimmfi router and computer.
  2. Unplug the router from the wall and wait 30 seconds.
  3. Plug the router back in and wait until it has restarted.
  4. If you are using wiimmfi on a computer that is connected to the internet through a wireless connection, first try turning off the wireless connection on the computer.
  5. If that does not work, try turning off wiimmfi on the router.
  6. If that does not work, try turning off both the router and the computer.
  7. Reconnect the computer to the router.
  8. If you are using wiimmfi on a phone or tablet, first try turning off wiimmfi on the phone or tablet.
  9. If that does not work, try turning off wiimmfi on the router.
  10. Reconnect the phone or tablet to the router.