Please refer to the below link :http://www.cisco.com/c/en/us/support/security/secure-acs-4-2-windows/model.html#~tab-documents

Please go through the below link :https://supportforums.cisco.com/blog/153181/high-availability-ap-sso-configuration-examples-using-cli-gui-and-pair-wireless-lan

Please refer to the below link :https://supportforums.cisco.com/discussion/11051816/dhcp-client-not-getting-ip-address-dhcp-server

Apply power to the access point:a. The access point is 802.3af (15.4 W) compliant and can be powered by any 802.3af-compliant device.Note The access point is downgraded to 3x3 when it is connected to a 15.4W supply. For the access point to operate at...