R500 AP join ZD 1100, Failed to upgrade AP Image from 104(AP) > 9.9 (ZD)
Currently we are running ZD 1100 with 9.9.1.0.31 with old APs. We couldn't update firmware above 9.9.0.1 as the current APs are not compatible with more update ZD firmware. However, we are unable to add additional APs (R500, firmware : 104.0.0.1347) ...