If you run an Aruba controller or Mobility Conductor environment, you should re-provision your APs to the new controller. The AP will then reboot, and contact new controller.
For Aruba Instant (virtual controller) that only works if you have a separate network. In that case make sure that the same AP model is already running in the new network, or upgrade the AP to the same firmware version (build number), then just add the AP in the new network and it should be added to the cluster.
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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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Original Message:
Sent: Dec 15, 2022 02:27 AM
From: YongHun Lee
Subject: Can I change peer controller on AP?
We want to join APs from the old controller to the new controller.
Can I change peer controller on AP?