VPN error 800 is common establish VPN connection error. There many things related to this problem, so simple mistakes are created VPN errors. If the above steps are not working for you then contact the manufacturer and tell him or you can also comment below to tell me, I will try my best to solve this error in another way.
- First, check your VPN IP address and then check VPN username and password are perfect or not.
- Allow router and firewall setting from PPTP and VPN connection.
- Open or enable PPTP and VPN TCP Port 1723 and Protocol 47 for VPN Connection.
- Now open VPN Properties and in Security tab, change connection type VPN to Point to Point Tunneling Protocol (PPTP).
- Now check the VPN IP address and in server address, remove “http: //” and “/”. That’s it, now check your VPN connection.