ZonedirectorZD3025 doest not discover my R720AP

[techseb]

Hello,

I have a Zonedirector ZD3025 working fine with a lot AP in my infrastructure, a lot of AP r600 be discover automatically by this Zonedirector.

i received two new AP 720, and they not discover ....

All traceroute and ping test are ok

with packet tracer i seen good nagociation  beetwen these two equipment.

more information :

zone director ZD3025 10.2.1.0 build 159

approved automatically request from AP is set.

R720 Multimedia Hotzone Wireless AP Software Version: 6.0.0.1.3209

Primary Controller Addr: is set manually

If someone can help me pls, have a good day