A recently acquired 1550 series AP is unable to join the WLC. The following message is observed on the AP console:
AAA Authentication Failure for UserName:CC93.1981.0035 User Type: WLAN USER
What action must be taken for the AP to associate with the controller?
A. import the APs Self Signed Certificate to the Security:Certificate:SSC tab
B. add MAC address CC93.1981.0035 to the Security:AAA:AP policy:Authorization List
C. authenticate the AP to the WLC from the console using an admin account on the WLC
D. add MAC address CC93.1981.0035 to the Security:AAA:MAC Filtering tab
E. import the APs Self Signed Certificate to the Security:Certificate:LSC tab
