Technical Tip: FortiGate with HA cannot send syslog

[caunon]

Description
This article describes how to fix the issue when there is a FortiGate which cannot send syslog out properly with HA setting.

Scope
- FortiGate with HA setting.
- After the debugging is run and get the message: 'miglog socket connect(global-syslog) failed'.
Solution
- Run the debugging CLI commands to investigate the issue:

# diagnose debug reset
# diagnose debug disable
# diagnose debug console timestamp enable
# diagnose debug application miglogd -1
# diagnose debug enable

Then it may show the message 'miglog socket connect(global-syslog) failed'.

Debugging log.

2021-09-15 15:59:19 miglog_socket_set_interface()-221: Binded interface index: 55.
2021-09-15 15:59:19 <29555> __syslog_start_connection()-182: miglog socket connect(global-syslog) failed.

Solution to fix the issue.

From CLI.

# config system ha
    set ha-direct disable
end