When you try to connect to your VPN server, you may not be able to connect. When you get VPN connection problem , you need to fix it before you can connect to your VPN server.

This 'How to' contains several techniques to to resolve if you are experiencing problems with your VPN connection

- If VPN Software are able to run properly, but can not connect to server then check the network status page for any maintenance with vpn server. If no maintenance , you need to re-install your VPN client software.

All software on the computer is given a port number. VPN Port number for the VPN service are different dipendent on the software and the protocols.

-PPTP encapsulates packets using GRE- Generic routing protocol which uses IP port 47, The IANA list 1723 as the port for VPN. A common mistake in configuring firewalls for use with PPTP is to open port 1723 and close IP port 47. This allows connections to be established but denies the actual data from passing through the tunnel to the machine. Some software utilities verify if both the ports are open for GRE in PPTP to be used.

VPN is not same with remote desktop. But Both VPN and Remote Desktop are methods of accessing resources that are located in a remote location, but they differ in what you are allowed to access.Remote Desktop is a common name for a group of applications that allow a user to access and control a computer from a remote location. This is very advantageous for those who are constantly on the move, but need the resources that are on their desktop. People who commonly use Remote Desktop are those who work at home, or are in the field.