Why can't I disable crossplay in Fortnite on the Xbox?

We have identified an issue where Xbox players are being matched with players from other platforms despite the crossplay (Opens in a new tab) feature being disabled.

We're investigating this issue, but in the meantime please make sure that you have the settings set correctly! You can check out how to do so by following the link below.

How do I turn Fortnite crossplay On or Off from my console?