Good day! Just want to share this method its applicable on W10 user's i just recently apply this to one of our client. On your VPN network settings check allow these protocols and check Unencrypted Password (PAP) On the Windows 10 machine, open the registry and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PolicyAgent, make a new DWORD 32 bit value, call it AssumeUDPEncapsulationContextOnSendRule, give it a value of 2, then reboot the Windows 10 machine. It should connect just fine. This one works for me
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