Microsoft Resolves Always On VPN Connection Failures After September 2026 Windows 11 Updates
Patch released to restore remote access for affected systems

Key Takeaways
- Microsoft has fixed Always On VPN connection failures on Windows 11 following September 2026 security updates.
- The connectivity issue prevented remote access for users with VPN configurations after the update was installed.
- The resolution is available through Windows Update; users should ensure devices are current.
- No active exploitation of the VPN failure has been reported.
- The fix addresses a post-update connectivity regression, not a security vulnerability.
Quick answers
- What happened?
- Microsoft has addressed connectivity issues affecting the Always On VPN feature on Windows 11 systems that emerged following the installation of September 2026 security updates. The resolution is now available through Windows Update.
- Which products are affected?
- Windows 11
- What should defenders do?
- Ensure Windows 11 devices are set to receive automatic updates and check for pending updates to apply the fix for the VPN connectivity issue.
Microsoft has resolved Always On VPN connection failures triggered after installing the September 2026 Windows 11 security updates. Users reported that remote access connections were disrupted after applying the cumulative update, with the VPN feature failing to establish connections despite correct configuration. The issue impacted systems running Windows 11 with Always On VPN profiles, preventing remote access for affected users. Microsoft has released a fix that addresses the underlying cause of the connectivity failure. The company recommends that users ensure their Windows 11 devices are up to date to receive the resolution. As of the advisory date, no active exploitation of the connectivity issue has been reported. The fix is distributed via standard Windows Update channels and does not require manual intervention beyond applying pending updates.
Security Details
The issue was a post-update connectivity failure affecting the Always On VPN feature on Windows 11. Microsoft has released a resolution via Windows Update to restore VPN connectivity.
Affected products
Windows 11
Mitigation
Ensure Windows 11 devices are set to receive automatic updates and check for pending updates to apply the fix for the VPN connectivity issue.
Sources
BleepingComputer
Microsoft finally fixes VPN issues caused by September updates
Oct 30, 2026 · 11:20
Original link
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