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Windows 11 Updates Disrupt IIS Web Services, Microsoft Issues Temporary Fix

Recent Windows 11 updates have reportedly caused widespread issues with IIS websites, resulting in connection reset errors. Microsoft has acknowledged the problem and released a temporary Group Policy fix while working on a permanent solution.

Windows Updates Cause Widespread IIS Disruption

According to reports from Microsoft, recent updates for Windows 11 versions 24H2 and 25H2 have caused significant disruptions to IIS web services. Sources indicate that the problematic updates, identified as KB5066835 and KB5065789, were distributed during the October 2025 Patch Tuesday cycle and its preview period.