I'm running Sierra and trying to connect to VPN network using a certificate. When I press the Connect button I get an error:

An unexpected error occurred. Try reconnecting. If the problem continues, verify your settings and contact your Administrator.

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I wonder where I can see the logs of connection attempt because the error message is not clear at all. I saw some advices on the internet about checking /var/log/system.log, but there is nothing related to VPN on my machine. Maybe I should somehow enable DEBUG logging?


This information is available in the Console application. The logging for Cisco IPSec VPN type is associated with the "racoon" service heading (note: only one c in racoon); the logging for IKEv2 is associated with the nesessionmanager service. It is unclear to me whether these messages are captured in a persistent log, but they do at least show up when Console is open and a VPN connection is created/initiated.

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