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N_W
N_W
Explorer
December 18, 2024
Question

"SSL VPN Connection Issue with FortiClient 7.4.1 on Windows 10 (LTSC 1809)"

  • December 18, 2024
  • 2 replies
  • 1785 views

I have a 200F FortiFirewall device running FortiOS version 7.2.9 at the location. On the Forti SSL VPN tunnel side, we are using domain adcheck by examining the user's registry. If the machine is not part of the domain, it cannot establish an SSL VPN connection.
On Windows 11 machines, FortiClient version 7.4.1 works without any issues. However, on a machine running Windows 10 (LTSC 1809), after installing FortiClient 7.4.1, SSL VPN connection fails. After entering the username and password, it throws me back to the login screen, showing empty fields for the username and password, and does not connect.
The only difference between the machine that works and the one that does not is the operating system. I couldn't find anything related to this issue on the Forti side.
What could be causing this issue?

 

2 replies

AEK
SuperUser
AEK
SuperUser
December 18, 2024

Please try update your FortiClient to 7.4.2.

AEK
    N_W
    N_WAuthor
    Explorer
    December 18, 2024

    Hi, we tried version 7.4.2 but the result did not change.

    AEK
    SuperUser
    AEK
    SuperUser
    December 18, 2024

    Hi N_W

    • Try install Visual C++ Redistributable on your windows client if not already done
    • Also try using Ethernet cable instead of WiFi, to see if it is related to WiFi driver. In case you don't have wire connection then try use another WiFi adapter or driver
    AEK
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