Network error. Can not connect to VPN server in Mac OS

[LD]

Hello,

I have a problem with Forticlient VPN connection. When i try connect to server i got massage "Network error. Can not connect to VPN server". I'm using domain name in Remote Gateway. If I use the IP address everything is ok.

Mac OS 13.3.1 (but it already happened to me in previous versions)

FortiClient VPN for Mac 7.0.7.0245 (but it already happened to me in previous versions)

FortiGate 60F 7.0.11 (but it already happened to me in previous versions)

Ping by domain name works ok, access by web browser by domain name works ok.

A Windows computer on the same network as the Mac connects perfectly by domain name.

Anyone know how to fix it?

Thank you,

[kvimaladevi · Accepted solution]

Hi LD,

We are seeing "SSL_accept failed" error. Could you confirm if you are getting the certificate warning when using FQDN?

From MACOS 10.15 and above, there are new security requirements for Apple devices:
https://support.apple.com/en-ca/HT210176

Regards,
Vimala

[CatInHat]

Check your Mac's DNS settings to see if there are domain name resolution issues. Ensure that the domain name is configured correctly on the remote gateway and that there are no network or firewall issues on your FortiGate router. Also, given that the domain name connection works on a Windows computer on the same network, it might be worth checking your routing and firewall settings on your Mac.