We tried to assign a custom certificate in our HPE 1910-8G-PoE+ (180W) Switch JG350A. Unfortunately we connot get it to work. The manual is not clear to us, so we hope can find the answer here. When we upload the certificate for the switch in request certificate (offline mode) it's giving us the following error "error root certificate is not trusted" so I would assume that we can upload the public root certificate of our CA somewhere in this switch.
We have looked everywhere in that GUI but cannot find any place where we can upload the public certificate of our Certificate Authority. What are we doing wrong?