Well the client looks excluded. So make sure the encryption is setup correctly and then on the WLAN SSID advanced tab, uncheck the excluded client for now. Type in the shared key again if your using PSK.
That first error message, is telling you that the client was given an IP address but the WLC couldn't install it into the MSCB, Mobile Station Control Block. This is where the WLC stores the client MAC, IP and what AP, or WLC if the client roamed across WLC, so that it knows where to send the traffic.
I'd take a look at the clients, once he's no longer excluded, and see if there is a stale entry sitting there. you might also want to check your MAC filter on the WLC to see if he's trying to get an IP in an interface he's not allowed to attach to.
Last, reboot the WLC, this will clear the MSCB entirely, and then see if the client is still having an issue getting on the network.
I unchecked the Client Exclusions box, he is now getting "Client Deauthenticated: MACAddress:04:46:65:89:95:9d Base Radio MAC:b8:62:1f:44:d9:40 Slot: 0 User Name: unknown Ip Address: unknown Reason:Unspecifi@"
I might try rebooting the controller over the weekend to clear the MSCB as another poster has suggested.
IntroductionHow to use the Wireless LAN Controller Configuration Analyzer (WLCCA)
Javier Contreras is a Senior Tech Lead for the Wireless Business Unit in Cisco, with over 2 decades of experi...
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(#)For this reason being that : - application that doesn't use multicast, sends one copy of each packet ( data unit of traffic at layer 3 ) to each client (" who seeks the traffic ).- application that does use multicast, sends ...
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...