This is a public service announcement for all those with 7th and 8th generation Nintendo consoles.
Nintendo has announced that they will be performing maintenance on the 3DS and Wii U eShop, the Wii Shop Channel, and the DSi Shop. Maintenance will start at 10PM EST/7PM PST on November 1st for North Americans — 3AM GMT on November 2nd for Europeans — and go for 24 hours. Nintendo gamers can access the shop again the night of November 2nd/early morning of November 3rd. Although it is not stated in the announcement, it is believed that all other online services on these consoles will work normally during that time.
If you have any questions regarding the maintenance, feel free to contact Nintendo Tech Support. Click here to go to the announcement page.