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Windows 11 Emergency Update to Fix ‘No Internet’ Sign-In Errors for OneDrive, Teams, and More

## Product Update: Windows 11 OOB Update KB5085516

NBy Natalie RhodesMar 23, 20261 min read

Product Update: Windows 11 OOB Update KB5085516

On March 21, 2026, Microsoft released an out-of-band (OOB) update, KB5085516, for Windows 11 versions 25H2 and 24H2. This update addresses a critical issue where devices falsely report no Internet connectivity during sign-in attempts to Microsoft services.

The issue emerged following the installation of KB5079473, released on March 10, 2026. Affected users experienced connectivity errors when using Microsoft account-dependent applications despite having an active Internet connection. This problem impacted services such as Microsoft Teams Free, OneDrive, Microsoft Edge, and Copilot, but only in environments using personal Microsoft accounts. Enterprise systems using Microsoft Entra ID were not affected.

The KB5085516 update is cumulative, including improvements from the March 10 release and specifically addressing the sign-in bug. It resolves the erroneous detection of no Internet connectivity, thereby restoring normal functionality across affected applications.

On March 21, 2026, Microsoft released an out-of-band (OOB) update, KB5085516, for Windows 11 versions 25H2 and 24H2.
Natalie Rhodes · Thehackingpost

Updates to AI components: Image Search, Content Extraction, and Semantic Analysis to version 1.2602.1451.0. Includes servicing stack update KB5083532 (build 26100.8035) to enhance Windows update infrastructure reliability.

Microsoft is automatically distributing KB5085516 via Windows Update to devices with KB5079473 installed. Users with the option "Get the latest updates as soon as they’re available" enabled will receive the update automatically. Others can manually obtain the update via Settings > Windows Update. It is also accessible through the Microsoft Update Catalog for offline deployment, with options available for IT administrators using Microsoft Intune or Windows Autopatch.

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No known issues have been reported with KB5085516 at the time of release. This out-of-band update was deemed necessary due to the severity of the issue, affecting key productivity services.

Based on reporting by Cyber Security News.

AI transparency. This article was produced with the assistance of artificial intelligence and published under human editorial oversight. AI systems can make mistakes. Read how we use AI (EU AI Act, Art. 50).
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