How to fix VPN “could not find the PPP kernel extension”

could not find ppp kernel extension

Supported VPN types in macOS

Since the release of macOS Sierra and iOS 10, Apple removed from the built-in VPN client, the support for PPTP VPN connections.
The reason for this is that the PPTP protocol has several security vulnerabilities.
With this decision Apple encouraged their costumers to move and use more secure protocols such as:
– L2TP/IPSec
– IKEv2/IPSec
– Cisco IPSec

Common VPN errors in macOS

One of the common errors that occurs with the built-in client is the error:

could not find the PPP kernel extension

This error occurs because macOS caches the kernel extensions to speed up the boot time.
The solution is to force macOS to rebuild the list of kernel extensions.
To do this, open Terminal, and then issue the command:

sudo touch /System/Library/Extensions

After this command, reboot your computer.

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