Error Message: Pokéwalker Not yet Registered
Nintendo DS
The information in this article can help you when you receive the message "Pokéwalker not yet registered" when you try to send a Pokémon to the Pokéwalker.
What to do
This message usually appears after you have replaced your Pokéwalker with a new one. You will need to reset the Pokéwalker and resync it to your new save game.