Can not connect to VPN server from outsite network


  • Hello, My name is Linh.

    Could you help me the problem as below:

    My VPN server configure on Window server 2012 R2 standard, im also opened port 1723 on router, turn off all firewall on my server, allow access for all domain users which i want to use for VNP connect. In internal network i can connect from client computer to VPN server by domain user but from outside network i can not connect to my VPN user, it's say that " Window could not connect using user name & password you provided, maybe i'm missing something? could you please help me to fix it

    thank you so much.


    viernes, 25 de mayo de 2018 4:16

Todas las respuestas

  • Hi,

    Thanks for your question.

    We need to collect more information about this issue.

    1. Did your remote clients locate behind a router with NAT? Therefore, please check the remote router support the PPTP packages across and PPTP port 1723 is open on the remote router.

    You may refer to the following links,


    Configure VPN in Windows Server 2012 R2

    How to setup site-to-site PPTP VPN on TP-LINK Router

    Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

    2. Please check the domain users’ setting in its properties tab as the following figure. We’ll ensure that this vpn user’s Network Access Permission “Allow access” to Dial-in the connection through VPN.

    Hope above information can help you. I look forward hearing your good news. If you have any question and concern, please feel free to let me know.

    Best regards,


    Please remember to mark the replies as an answers if they help.
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    lunes, 28 de mayo de 2018 3:56