FortiClient VPN not connecting after upgrade to Windows 11

[DanST93]

I connect to my Fortigate Network via the FortiClient VPN. Never had an issue on Windows 10, but since I upgraded to Windows 11, it will no longer connect.

Hi All

The error message states I need to check my shared vpn key/ user and password, however I can 100% confirm these are correct.

Info:

- System: Windows 11 Home (Pro does not work either)

- FortiClient version 7.0.0.2

- VPN Type: IPSec VPN

I haven't got the logs to hand but they stated the remote end point did not respond?

Anyone else had issues since upgrading to Win 11?

[DanST93]

Any ideas?

[DanST93]

Anyone?

I've rolled back to Windows 10 on a VM and it connects without issue so it's not my Fortigate unit and not my home network?

[Sarathkumar]

enable tls version 1.0 in ie settings

[DanST93]

Tried that - not working still. Any other ideas? Using version 7.0.2 and updated the firmware to 7.0.5 no change.