Microsoft has addressed this issue and given a fix to this issue.
Now, you’re free to find more details from thisMiniToolpost.
These two Windows updates contain some bug fixes and improvements.
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But at the same time, some users reported thatthese two updates break their VPN connection.
This is a VPN bug.
If your VPN is down on Windows 11, do you know how to fix it?
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In this post, we will show you some effective solutions.
Microsoft has noticed this VPN problem and released a fix to this issue on January 17, 2022.
Microsoft has reported the fix like this.

The Fix to Windows Update VPN Problem
Previously, there was no official fix from Microsoft.
When Windows update breaks VPN connections, many users choose to uninstall the Windows update they just installed.
Now, Microsoft releases some OOB updates to fix the VPN connection issue.

it’s possible for you to get all of these OOB updates from Microsoft Update Catalog.
Besides, some of them are released as optional updates in Windows Update.
Since they are optional updates, your system will not automatically get them.

it’s crucial that you go to Windows Update in the parameters app to manually check for updates.
The following two updates are not available in Windows Update.
You will find multiple versions.
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So, you oughta select a proper version according to the Windows version you are using.
Then, you might hit the corresponding download button to call out the download page.
After installing the corresponding update, you should be able to connect to your VPN successfully.
If yes, the update should be the cause.
you’ve got the option to try the updates mentioned in this post to fix the issue.