Overview of the Windows 11 Upgrade Issue
Despite specific Intune policies intended to halt upgrades, an alarming glitch has resulted in multiple Windows devices receiving unauthorized Windows 11 upgrades. Microsoft acknowledges this issue and is urgently deploying a fix to prevent further occurrences.
Impact and Cause
The disruption began on Saturday, April 12, as Windows desktops unexpectedly offered Windows 11 upgrades. Microsoft identified the problem as stemming from a latent code error, disrupting the normal Intune policy enforcement.
Immediate Actions and Recommendations
Microsoft strongly advises system administrators to pause Windows feature updates via Intune Windows Update client policies. This precaution should remain until the complete rollout of the code correction to all affected systems.
Manual Reversion Required
Devices that have inadvertently upgraded to Windows 11 must be manually restored to their previous version to correct the error.
Historical Context of Upgrade Issues
The recent incident is not the first instance of such upgrade issues. Previously, similar unexpected upgrades occurred with Windows Server platforms in November 2024, affecting versions 2019 and 2022.
Response to Server Upgrade Complaints
Following widespread concern among network administrators, Microsoft acknowledged the problem but has provided limited guidance on reversing these unauthorized server upgrades.
Focused Solution on Upgrade Notifications
Microsoft has since rectified a related issue, ensuring upgrade prompts for Windows Server 2025 are accurately displayed and intended only for systems seeking in-place upgrades.
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Last Updated: April 16, 2025