I have 3 access points that I recently converted to LWAPP. After the conversion, all 3 AP's are now MIA - no sign of them in WCS or on any of our controllers. I can trace them back to the switch that they are directly connected to and they do pull a DHCP address. I found this on the firewall:
May 04 2009 16:39:58: %ASA-7-710005: UDP request discarded from <AP's ip>/26586 to inside:255.255.255.255/12223
I am wondering if there is something on the firewall that is blocking the requests from the AP's to join the controller.