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VPN Server may be unreachable (-14) in Windows 10 (Forticlient SSL VPN)

Forum|Forum|6 years ago
September 5, 2019
7 replies
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I had tried to setup VPN connection. Using the latest version client and firewall. In windows During the login time it shows

"VPN Server may be unreachable (-14) " . Status shows 80% complete. BUT it works in ANDROID..!!! Anyone resolved this ?

d750a754-73df-4d2f_3aa-a04ea655956a.jpg

6.0

Best answer by willem_abrie

This error also occur if you use the non-fully licensed VPN client, and the SSL VPN configuration on the fortigate firewall has the "Host Check" option enabled. (SSL VPN Portals -> Tunnel Mode -> Host Check)

zaphod

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Try to disable TLS 1.0 / 1.1 in internet options

brunogabrielli

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Hello abhimanyu.

Did you solve the problem?

bitbauer

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I'm experiencing the exact same problem/error message? I then tried to change the Internet Explorer settings and disabled the TLS 1.1 and TLS 1.2. But that did not solve the problem. Any further suggestions?

zaphod

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@bitbauer

did you use the latest forticlient? (6.2.x)

bitbauer

New Member

Yes, I'm using version 6.2.2.087. I also tried to reinstall the FortiClient without luck.

I had installed another VPN client(ShrewSoft VPN Client), but uninstalled it and then reinstalled the FortiClient. Also no change. Perhaps that installation left something behind on my Windows 10 workstation?

I should also mention that I have internet access via TV cable, which assigns a IPv6 address to my router. Perhaps that causes a problem, too?

Waldeyer

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Solved,

Please, check the following itens on Internet Options.

Use SSL 3.0

Use TLS 1.3 (experimantal)

Worked

willem_abrieAnswer

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This error also occur if you use the non-fully licensed VPN client, and the SSL VPN configuration on the fortigate firewall has the "Host Check" option enabled. (SSL VPN Portals -> Tunnel Mode -> Host Check)

suporte_alerti

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I got the same error (unreachable at 80%) and was associated with user password. It is integrated with AD (LDAP) and the user password expired.

User changed the pwd and connect normally.

brad

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On the Android client, are you using the same credentials? What type of credentials are you authenticating with? Local, LDAP, etc? I had the same error and it was because a system account we were using for the LDAP authentication was retired and forgot about its usage for authentication.