This could depend on your FGT configuration as FGT also checks whether
client is allowed to connect. As you mentioned, rebooting AP not solving
the issue also points to this direction. I suggest you open a ticket to
Fortinet TAC who would be able to ...
not sure what version of image you are running on your AP. If it's
pretty old, please update to a newer version such as 5.6.4 or 6.0.x
after. The old version software doesn't work with newer browser
including Chrome. If you can't upgrade, you can try...
You just mentioned in your previous thread that you have a 221E and now
it 's 222E? We don't have known issue like the ones you ran into in
these versions. Also, working with FLCD but not FGT indicates that it's
most likely some configuration issue. ...