Is KB5026372 causing an issue with VPN connections?

Anonymous

We have a number of users that have had recent updates of KB5026372 and this has seemingly stopped their VPNs from connecting (loses connection instantly as soon as VPN connected, no more internet access), we use L2TP/IPsec with pre shared key. We have troubleshooted this with the network team, but nothing has changed and they are confident its not an issue caused by us. I have uninstalled KB5026372 on my machine, which had the issue also and then VPN works. Issue we have here is that our updates are handled automatically and it will pull down the updates again and install. Only solution is to pause updates for a set period of time in the hope that this gets resolved in a future update.

Has anyone else reported these issues? I have seen a few articles online regarding this and slowness of some VPNs after the update (which i had before it eventually just stopped working), but no solution other than uninstall.

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Anonymous

Hello! My name is Mostafa, and I will try my best to assist you with this so that you find a satisfactory solution.

I’m sorry that you are experiencing this issue. Yes, many users have been reports of VPN connection issues after installing KB5026372. The update is causing problems with VPN connections, especially L2TP/IPSec VPNs.

If your updates are handled automatically, and it will pull down the updates again and install, you can pause updates for a set period in the hope that this gets resolved in a future update.

Go to Settings > Update & Security > Windows Update to pause Windows Update. You can click Pause updates for seven days to block updates for a week; extending this time by clicking again later is possible.

Review the below article.

https://www.windowslatest.com/2023/05/13/window...

If the above steps do not help, reach out to me, and I will be happy to help and try my best to resolve your issue. Thank you.

Best,

Mostafa

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51 additional answers

Anonymous

2023-07-13T11:22:35+00:00

I just installed July's CU (KB5028185) and tested and the VPN issue is still present.

Can also confirm enabling Routing and Remote Access worked for me and another user while testing.
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Anonymous

2023-06-12T12:24:13+00:00

Hello, can I get help from anyone on removing update KB5026372, we have been having VPN issues for weeks now and the update will not uninstall. No way to remove it and it doesnt show up on the list of updates that can be removed. HELP!!!

Thx
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Anonymous

2023-05-30T10:41:20+00:00
We have the same problem and MSFT don´t know when they have a resolution to this situation.

We have a cmd / powershell with:
- kill all PID process with windows update
- disable windows update service
- uninstall Remove-Windows package (dsim online...)
- add entries in regedit to pause defer quality updates for 30 days (proposed by MSFT)
- message to user, that machine will restart, with deadline time (shutdown /r /t 300 "MESSAGE")
And this situation is working well.

I hope MSFT resolve this issue soon

Regards
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Anonymous

2023-05-24T07:36:34+00:00

Hi Mostafa,

Thanks for the reply. Do you know if there is a fix for this yet and when it will be released?

Thanks

Steven
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