VPN connection failed - Broken pipe

Question

This is my log:[2023-07-18 14:35:20.2225851] [28436:24232] [sslvpndaemon 517 debug] FortiSslvpn: Init:ConnectNamedPipe(): Wait(hEventOverLapped) OK.[2023-07-18 14:35:20.2416933] [28436:24232] [sslvpndaemon 517 debug] FortiSslvpn: before ConnectNamedPipe[2023-07-18 14:35:20.2416989] [28436:24232] [sslvpndaemon 517 debug] FortiSslvpn: Init:ConnectNamedPipe(): rc=0, err=997[2023-07-18 14:35:20.2417360] [28436:28832] [sslvpndaemon 517 debug] FortiSslvpn: _ReceiveMessage: (000003E8)[2023-07-18 14:35:35.7519346] [28436:28832] [sslvpndaemon 517 debug] FortiSslvpn: Broken pipe! Client is exited (3). Any suggestions would be great...

nnair · Answer

Kindly remove the forticlient and then check again, by installing it.
Also at what percentage you are facing the issue ?
If the issue still not fixed after re-installing the FCT , then please run the below commands on the FGT and the create the ticket to the TAC with the logs.
diagnose debug reset
diagnose debug application sslvpn -1
diagnose debug application fnbamd -1
diagnose debug enable

Connect the FCT and then observe the logs after that to disable it.

di de dis

You can also follow the below link :
https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-download-FortiClient-and-FCRemove-exe-from/ta-p/218955

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