The most command cause for this is that at least one internet device (for example firewall or router) between your computer and the VPN server is not configured to allow GRE protocal packets. Verify …
How To Fix VPN Error 807 On Windows 10 Issue Quick and Turn off the antivirus. One of the most common factors that can cause this problem is the antivirus software installed in your computer. Try to disable the antivirus then check if … VPN connection error 807 | Windows 8 Help Forums Feb 19, 2013
Once your VPN Server (PPTV) or VPN Server (OpenVPN) shows that there is an error, it means that there is a conflict with another NAS about the service. If you were to enable the VPN feature on one NAS, please disable the VPN feature on other NAS units. If you still encounter the VPN server connection error, please contact us via helpdesk.qnap.com.
Error 807 | My Private Network | Global VPN Service Provider If this still fails, we have introduced an alternative VPN technology that uses the SSL protocol, and this usually performs better in circumstances where users are having difficulty using our standard VPN. Full instructions for setting up your connection via SSL can be found on the following links: Windows XP. Windows Vista. Windows 7. Windows 8 List of Error Codes for Dial-up Connections or VPN Connections
How To Fix VPN 800 errors
VPN connection error 807 | Windows 8 Help Forums Feb 19, 2013 ネットワークへの接続中に807エラーが発生しました。 エ … エラー807は、vpnサーバーへの接続がネットワークの待ち時間の問題やサーバーの負荷がいっぱいになったために中断されたことに関連しています。 デバイスにvpnネットワークに接続する機能がある場合でも、接続は中断されます。 VPN Error 806 – How to Establish a Successful VPN Connection? Feb 07, 2019