Issue: PPTP VPN can work with CISCO router or other server, but cannot work with Windows OS.

 

Main Cause and Solution:

Item Cause Solution
1 Configuration is wrong

please check the configuration if correct.

2 Firmware

some windows OS is not good compatible with E-Lins router. Please try new firmware.

Firmware for H685

Firmware for H820

3 PPTP Server lost route for PPTP Client

refer router usermanual at chapter 3.3.7.2 PPTP.

And here give an example for Windows2008 Server below. See below picture.

PPTP not working at windows server