How To Fix VPN Error 789 in Windows

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How To Fix VPN Error 789 in Windows

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In this tutorial, I’ll show you how to fix VPN Error 789 in Windows. This error occurs when the L2TP connection fails due to security settings, misconfigured VPN protocols, or blocked network services. Follow these steps to resolve the issue and restore your VPN connection.

AssumeUDPEncapsulationContextOnSendRule

Issues addressed in this tutorial:

VPN Error 789 L2TP connection failed
The L2TP connection attempt failed due to security issues
Fixing VPN not connecting in Windows
Resolving VPN authentication and encryption problems

This works on Windows 11, Windows 10 and works on PC, Desktop & Laptop.



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