Microsoft breaks Microsoft account sign-ins in Windows 11 with latest update (The Register, 3/20)

[highplainsdem]

https://www.theregister.com/2026/03/20/microsoft_account_not_working_have/

Microsoft has broken account sign-ins in Windows 11 25H2 and 24H2 with a recent update, causing error messages in apps like OneDrive and Office.

The glitch affects sign-in operations for Microsoft accounts. Businesses using Entra ID (previously known as Azure Active Directory) for application authentication are not affected.

However, users of Microsoft Teams Free, or anyone signing into Word, Excel, OneDrive, or Microsoft 365 Copilot with a Microsoft account, may see a message along the lines of "You'll need the Internet for this. It doesn't look like you're connected to the Internet" - regardless of whether the device actually is.

According to Microsoft: "This issue occurs when the device enters a specific network connectivity state, and may resolve on its own." A restart should also fix it, provided the device is online at the time.

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Can't help wondering if AI had anything to do with this, since they're using AI to write their own code.