200.7 did not have support for R750. 200.8 is the first version to support R750 as a new AP.See https://indhradhanush.github.io/rksunlfw/ for AP compatibility with firmware versions.
Glad you figured it out. From the problem description, I understand you used JAC (Join another controller) and "Deleted" the AP. Note that if you click JAC, the AP will not be deleted from the ZD list but it will be put in the "Blocked" state. This s...
For starters, you can check DHCP server logs to see if its getting DHCP-REQ and offering leases back. The client connection diagnostics tool is to identify the connection problems. eg. If DHCP server responding or not from the ZD/AP perspective.
Unless you do not use Tunneled WLAN, Autonomous WLAN can help you here. Refer here : https://whnetwork.wordpress.com/2021/09/23/autonomous-wlan-auto-recovery-failover/
