@jay_s_uk It working ! I can access now to the duet web controller ! a huge thanks for that !
I have another question, The duet is pinned to my router.
But the board will be back to the workshop and there is no wifi there. I remember, the guy from Ooznest set my duet to send it own wifi.
I've plugged out the router and I can't connect the duet.
How Could I achieve this ?