Microsoft: March Windows updates break Teams, OneDrive sign-ins
Recorded: March 20, 2026, 9 a.m.
| Original | Summarized |
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Microsoft released a March 2026 Windows 11 update, KB5079473, that introduced significant issues affecting sign-in functionality for several core Microsoft applications. The primary problem manifested as a failure in Microsoft Teams, OneDrive, and Microsoft Edge, preventing users from successfully logging in with their Microsoft accounts. Specifically, users encountered an error message stating, “You’ll need the Internet for this. It doesn’t look like you’re connected to the Internet,” even when a network connection was active. This disruption affected not only Teams but also related services like Microsoft 365 Copilot, Excel, Word, and other applications reliant on account-based authentication. The root cause, according to Microsoft, involved the update triggering a specific network connectivity state within the device. Restarting the affected PC was initially suggested as a temporary workaround, with the hope that the device would return to a stable state, resolving the connectivity problem. However, Microsoft cautioned that a restart without an active internet connection could revert the device back to a state vulnerable for this issue to re-emerge. This issue disproportionately impacted users utilizing Entra ID, previously known as Azure Active Directory, for app authentication, highlighting a potential conflict between the update’s implementation and existing identity management systems. Responding to the widespread impact, Microsoft issued two out-of-band (OOB) emergency updates for Windows 11 Enterprise devices. The first addressed a Bluetooth device visibility issue, while the second tackled security vulnerabilities within the Routing and Remote Access Service (RRAS) management tool. Additionally, Microsoft provided guidance to resolve C:\ drive access issues and application failures observed on certain Samsung Windows 11 laptops, directly linked to a problematic version of the Samsung Galaxy Connect application. The situation underscored a need for quicker remediation and identified an issue tied to device compatibility with Windows 11. This event highlights Microsoft's responsive, albeit reactive, approach to patching and managing updates, especially in a business environment reliant on Microsoft’s ecosystem. |