Can you check the logs on the console of the AP?
Can you check the logs on the controller (show log all 200)? And 'show ap database'?
Have you allow-listed (whitelisted in 8.7) the AP?
It's expected that there is no WebUI after conversion of the AP.
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Herman Robers
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If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check
https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
In case your problem is solved, please invest the time to post a follow-up with the information on how you solved it. Others can benefit from that.
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