I've turned off the Guest Network joining and set up a new WLAN Hotspot.
for joining and getting a DPSK... Turn off the Apple CNA feature for Hotspot.
![Image_ images_messages_5f91c439135b77e2479c968c_6eef7fd20098fb5c42ee709125de7ed4_RackMultipart201808021231911n5-f04773e0-1071-4514-806b-87695642ac97-2084957295.PNG1533245096 Image_ images_messages_5f91c439135b77e2479c968c_6eef7fd20098fb5c42ee709125de7ed4_RackMultipart201808021231911n5-f04773e0-1071-4514-806b-87695642ac97-2084957295.PNG1533245096](/t5/image/serverpage/image-id/166iF34B238B733FFDCB/image-size/large?v=v2&px=999)
![Image_ images_messages_5f91c439135b77e2479c968c_6b0f03c263e846144450b8a493e69a28_RackMultipart201808021252041ro-3e8b892c-26ca-4144-9df8-e90d5cfa53bf-2072709470.PNG1533245196 Image_ images_messages_5f91c439135b77e2479c968c_6b0f03c263e846144450b8a493e69a28_RackMultipart201808021252041ro-3e8b892c-26ca-4144-9df8-e90d5cfa53bf-2072709470.PNG1533245196](/t5/image/serverpage/image-id/167i427D0B38094939D5/image-size/large?v=v2&px=999)
Then, all my students get is the nasty Certificate Error, which I have no way of fixing that I can find.
Cheers
Martin