Re: Issues on macOS Tahoe

vpolovnikov · 02-13-2026

Description This article explains step-by-step log collection process for effective troubleshooting of ZTNA connection failure. Scope FortiClient, EMS, ZTNA, FortiGate. Solution When engaging with technical support, it is critical to provide all the ...

vpolovnikov · 02-13-2026

Description This article describes how to collect Windows logs for troubleshooting FortiClient IPsec connection failures especially when third-party security programs are present on the workstation. Scope FortiClient Windows. Solution Overview. It is...

vpolovnikov · 02-03-2026

Description This article describes how and what logs to collect after a Windows endpoint experiences a BSOD with FortiClient installed. Scope FortiClient. Windows. Solution Whenever 'Blue Screen of Death' (BSOD) occurs on a Windows endpoint with Fort...

vpolovnikov · 01-28-2026

Description This article describes common remote file transfer operations including taking/restoring FortiClient EMS backup or sending diagnostics to remote file server using FortiClient EMS 7.4 EMSCLI. Scope FortiClient EMS 7.4 (EMSCLI). Solution Th...

vpolovnikov · 01-28-2026

Description This article describes how to verify if a result of all FortiClients getting disconnected was caused by invoking 'Mark All Endpoints as Uninstalled' feature on FortiClient EMS. Scope FortiCllient EMS. Solution Marking all endpoints as uni...

vpolovnikov · 03-04-2026

I'd investigate FortiGate logs and see if there's a clear indication of what's wrong. If you hit the wall, you can follow the steps in this article and contact support with the data gathered: Collecting logs for addressing VPN connec... - Fortinet Co...

vpolovnikov · 03-04-2026

Hello Scott7, This issue has been reported to Fortinet and Microsoft few years ago, and there were efforts on both sides to mitigate it. Tough the error messages couldn't be fully avoided, their number has been reduced in later versions. There is not...

vpolovnikov · 03-04-2026

Are you able to reach VPN gateway from the endpoint experiencing the issue? The error seems to be hinting that the endpoint may not have network connectivity to the VPN server.

vpolovnikov · 03-04-2026

Are these machines able to reach VPN gateway? One of the first checks FortiClient makes is Internet connection, whether it can resolve VPN gateway and reach it.

vpolovnikov · 03-04-2026

Are there any security/filtering features on the full version of FortiClient? And are there any 3d party security solutions installed on the endpoint? If yes, then security solutions register filtering drivers into the networking stack which may incr...

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Troubleshooting Tip: Collecting logs for effective ZTNA connection failure troubleshooting

Troubleshooting Tip: Collecting Windows logs for troubleshooting FortiClient IPsec connection failures (Pktmon)

Troubleshooting Tip: How to collect logs on FortiClient Windows after BSOD

Technical Tip: Common remote file transfer operations with FortiClient EMS 7.4 (EMSCLI)

Troubleshooting Tip: How to verify whether FortiClient EMS site-wide endpoint disconnection was caused by 'Mark All Endpoints as Uninstalled' feature

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Re: Issues on macOS Tahoe

Troubleshooting Tip: How to collect logs on FortiC...

Troubleshooting Tip: How to verify whether FortiCl...

Technical Tip: Using ZTNA error code messages to d...

Technical Tip: Common remote file transfer operati...

Re: Issues during and after the Forticlient EMS 7....

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