Troubleshoot Repeated 'Invalid 2-Factor Authentication Code'

Two-factor authentication requires time servers to be in sync in order for the codes to register as valid.

If the code is ALWAYS invalid, there is a chance the clock settings on the computer or mobile device are incorrect.

To correct this, make sure the default time settings on both devices are on the automatic settings.

Adjust the time on iOS

  1. Go to Settings.
  2. Tap General.
  3. Tap Date & Time.
  4. Tap Set Automatically.

Additional information can be found on support.apple.com

Adjust the time on Android

  1. Go to Settings.
  2. Tap Date & Time Settings.
  3. Tap Automatic date & time
           Use network-provided time

Additional information can be found on support.google.com.

Adjust the time on a Mac

  1. Click the Apple  icon at the top left of the screen.
  2. Select System Preferences.
  3. Select the Date & Time.
  4. Click the lock icon at the bottom left of the window to unlock the settings. (You may be prompted for the computer admin password.)
  5. Check Set date and time automatically.
  6. Click the lock icon again to lock the settings.

Additional information can be found on support.apple.com.

Adjust the time on Windows

  1. Click the Windows Start menu.
  2. Select Control Panel.
  3. Select Clock, Language, and Region.
  4. Select Set the time and date.
  5. Select the Internet Time tab in the Date and Time window.
  6. Click Change settings...
  7. Check Synchronize with an Internet time server.
  8. Select time.windows.com and click Update Now.
  9. Click OK.

Additional information can be found on windows.microsoft.com.
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