Nintendo Account and Nintendo Network ID Link Service Ends Next March

The service that allows users to link the Switch's Nintendo Account with the 3DS and Wii U Nintendo Network ID will cease on March 2024.

You Can Now Register for a Nintendo Account

Nintendo 3DS & Wii U eShops to close in March of 2023 – Delisted Games

Is the Nintendo Network ID being discontinued?

Nintendo's Wii U and 3DS stores closing signal a loss of digital art : NPR

How to Connect A Supervised Nintendo Switch Account to Epic Games

Nintendo ending consolidation of account services in March 2024

Nintendo Will Close Wii U, 3DS Digital Stores on March 27, 2023 - CNET

Nintendo Network - Wikipedia

Call of Duty Website Now Lets You Link Your Nintendo Account for Some Reason - GameSpot

How to Add Funds to the Wii U and 3DS eShops Before They Close