Error 734: The PPP link control protocol was terminated.

I am using windows 8.1 and www.astrill.com VPN. before it was working, but now its not working. I tried to connect VPN for last 4 days.

I followed https://social.technet.microsoft.com/Forums/windows/en-US/303c7c61-074f-4588-ba92-006295ef7cc8/error-734-the-ppp-link-control-protocol-was-terminated?forum=w8itpronetworking but it doesn't help me.

I guess I couldn't login astrill vpn. because my OS doesn't ask me login username password. only asking about my computer's username password. Before it was working same my laptop and OS. I think after windows update it doesn't work.

March 24th, 2015 11:34pm

Check the properties under your Astrill VPN profile, under security tav click "Allow unsecured password" in the "Validate my identity as follows" box, and then click "OK

or try to delete and re-create the profile

http://wiki.astrill.com/index.php/Astrill_Setup_Manual:How_to_configure_PPTP_with_Windows_built-in_client_on_Windows_8

try to update MS-CHAP (authentication protocol) support on the VPN server by download the latest version
https://www.astrill.com/download.php

You can also try to use Astrill VPN Dialer 1.1 to connect

you can also try do system restore (using restore point) back to condition when this VPN working fine

contact Astrill as VPN manufactured for better investigation

Tips:

Hongkong server 1 or 2 and Los Angles mostly working

Mostly issue will be solved by reinstall Astrill

Update your Wlan and LAN card to isolate driver issue (if any), check at your PC manufactured site


  • Edited by britishdhez Wednesday, March 25, 2015 8:10 AM
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March 25th, 2015 8:08am

this is home PC right (non domain PC)?

there is 2 ways to connect VPN, using Windows or using VPN dialer

if windows doesn't prompt you to enter login and password, probably you already setup the connection before

this is example how to set up connection via Windows 8.1 (regarding Astrill setup, you need to contact them) as far I know VPN support always have fast respond

https://www.my-private-network.co.uk/windows/windows-8/pptp-81.html

did you the one who setup this VPN at the beginning? if no, better you ask someone who familiar with this

you can press Win+W and type "Change VPN settings", remove any profile from there, and try using Astrill dialer to test




  • Edited by britishdhez Thursday, March 26, 2015 3:32 AM
March 26th, 2015 3:30am

Check the properties under your Astrill VPN profile, under security tav click "Allow unsecured password" in the "Validate my identity as follows" box, and then click "OK

or try to delete and re-create the profile

http://wiki.astrill.com/index.php/Astrill_Setup_Manual:How_to_configure_PPTP_with_Windows_built-in_client_on_Windows_8

try to update MS-CHAP (authentication protocol) support on the VPN server by download the latest version
https://www.astrill.com/download.php

You can also try to use Astrill VPN Dialer 1.1 to connect

you can also try do system restore (using restore point) back to condition when this VPN working fine

contact Astrill as VPN manufactured for better investigation

Tips:

Hongkong server 1 or 2 and Los Angles mostly working

Mostly issue will be solved by reinstall Astrill

Update your Wlan and LAN card to isolate driver issue (if any), check at your PC manufactured site


Free Windows Admin Tool Kit Click here and download it now
March 26th, 2015 4:09am

Thanks for replying.

i am using windows 8.1 Pro version.

http://postimg.org/image/gvh04amfv/

I followed many posts. I guess I still can't login my vpn account. I mean Where can I put my username password. When I wanted to connect VPN windows ask me login. but there wasn't my vpn login email. It was my windows login email. what I will do ?

March 26th, 2015 11:17pm

this is home PC right (non domain PC)?

there is 2 ways to connect VPN, using Windows or using VPN dialer

if windows doesn't prompt you to enter login and password, probably you already setup the connection before

this is example how to set up connection via Windows 8.1 (regarding Astrill setup, you need to contact them) as far I know VPN support always have fast respond

https://www.my-private-network.co.uk/windows/windows-8/pptp-81.html

did you the one who setup this VPN at the beginning? if no, better you ask someone who familiar with this

you can press Win+W and type "Change VPN settings", remove any profile from there, and try using Astrill dialer to test




Free Windows Admin Tool Kit Click here and download it now
March 26th, 2015 11:31pm

Hello Bayansuren,

What is your current situation?

Have you tried the suggestion as britishdhez mentioned?

Best regards,
Fangzhou CHEN

March 31st, 2015 3:54am

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