Windows Update breaks VPN

Started by gcode, January 16, 2022, 07:17 AM

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gcode

Techradar

QuoteMicrosoft's monthly update to Windows 10 and Windows 11, which came as part of the most recent Patch Tuesday, appears to be preventing the software's built-in VPN tool from establishing a connection, effectively rendering it useless.

Microsoft is yet to confirm the problem, which has already shared multiple times on Reddit. Besides the Windows VPN, it seems the problem also affects a couple of third-party VPNs, with SonicWall, Cisco Meraki, and WatchGuard Firewalls all seeing issues.

A security researcher told BleepingComputer that the bug affects the Ubiquity Client-to-Site VPN connections for those using the Windows VPN client, as well.

I ran this month's update on my backup workstaion and it did break my VPN connection to my employeer's networks

running  "wusa /uninstall /kb:5009543 " from an Admin command prompt restored the connection

gcode

This was a PIA
I'm working from home these days and a working VPN is mission critical
I delayed Win Updates till the mill of next month but we had a power failure
and when I restarted my machine the update ran anyway, and killed my VPN connection
to the mother ship
I got it uninstalled and deactivated updates by killing it in Services.
That was a little spooky, but it worked

It's no longer an issue though. Windows has released a patch to fix this and all is well a again.