We have the same issue and I know it's not a fix but I hope this gives
you peace of mind. It's a known issue in this version. Link is to the
release notes. In the Known Issues portion, it has the FortiView bug
Bump. Was there ever a solution to this? We are having the exact same
issue. Pretty sure it's key lifetime as the VPN error messages happen
every hour at the same time. FG800 and FG100 IPSec VPN to AWS as well.
I could be wrong, but you'll need to recreate them in the FMG VPN
Manager first and then apply the VPNs to the FG in FMG. That's the plan
we have anyhow. It made mention of deleting all the VPNs if we turned on
the VPN Manager with the FG already add...
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