---
title: "I cannot connect to the server!"
description: "- Disable your Firewall or open outgoing port 1723 - Check that your Router supports VPN Pass-through - Check that your router and firewall allow GRE packets - Restart your router - Delete the connection and create a new one…"
url: "https://www.bananavpn.com/docs/i-cannot-connect-to-the-server/"
updated: "2020-05-04"
category: F.A.Q
---

# I cannot connect to the server!

- Disable your Firewall or open outgoing port 1723
- Check that your Router supports VPN Pass-through
- Check that your router and firewall allow GRE packets
- Restart your router
- Delete the connection and create a new one
- Lower or change encryption type (for MAC users)
- Change Authentication type (Chap, Mschap1/2, PAP)
- Disable Windows Vista Live OneCare or configure to allow vpn.
- Enable "Use default gateway on remote network" under Advanced TCP/IP settings of the connection properties on Windows
- Enable "Send all IP traffic over this connection" on you MAC
- Contact us for new IP address and other suggestions or download the complete [technical support guide here in PDF](https://www.banana-vpn.com/Banana%20VPN%20Technical%20Support%20Guide.pdf).