Xbox Network Is Down Right Now, Microsoft Confirms

It's not just you; the Xbox network--or parts of it, depending on when you read this--is down. After users across the globe began reporting issues with the Xbox Network, Xbox identified several issues affecting its online services today. At the time of writing, the following functions are still experiencing "major issues" on the Xbox network:
Account and profileStore and subscriptionsGames and gamingApps and mobile
These problems are widespread, and include an inability to sign in