Common Errors FAQs

What is a VPN Error Code

A Virtual Private Network (VPN) makes a protected connections referred to as VPN tunnels between a local client and a remote server, usually over the Internet. VPNs  utilize a specialized technology and when a VPN connection fails, the client reports an error message typically including a code number.

Verify The Following Before Submitting a Support Ticket

  • Check your internet connection
  • Verify your Network Settings
  • Verify your local network firewall isn’t interfering with VPN communications you may have to temporarily disable it.

1. VPN Error Code 51 ( Unable to communicate with the VPN subsystem)

This error occurs when a Cisco VPN client reports the local service isn’t running or the client isn’t connected to a network.

Possible Solution: 

  • Restart the VPN service or troubleshoot the local network connection

2. VPN Error Code 412 ( The remote peer is no longer responding)