Some online services for Nintendo Switch, as well as Wii U and 3DS, will be unavailable at two different periods next week, Nintendo has announced.

As detailed on Nintendo’s website (via GoNintendo), the first round of maintenance is scheduled to take place on Monday, April 17, starting at 5 PM PT. The two-hour maintenance period will impact network services such as online play and rankings. Then on April 19 from 6:45 PM PT to 8 PM PT, online services for Switch, Wii U, and 3DS may become available as part of scheduled maintenance.

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In other Nintendo news, the company announced that the Switch sold 906,000 units in the US during March alone, while Legend of Zelda: Breath of the Wild has surpassed 1 million copies sold.

Additionally, Nintendo held its latest Nintendo Direct briefing this week–here’s a roundup of all the big announcements.