Microsoft: September Windows updates break Always On VPN connections

Microsoft warned that the September 2026 security updates may also break Always On VPN connections on some Windows 11 systems.
Cyber Security News

Windows 11 Security Update KB5124008 Breaks Always-On VPN Connections

Microsoft’s September 2026 security update KB5124008 is knocking some Windows 11 enterprise clients off Always On VPN after the Patch Tuesday package landed on September 8.
BetaNews

Microsoft warns that September’s Windows 11 updates break Always On VPN connections

The recently released September 2026 Windows 11 security updates can cause Always On VPN connection to stop working, Microsoft has warned. The company has acknowledged this latest issue with an update ...