I'm having issues with the Sponsor Portal, I have checked all the procedures documented by Cisco and the configuration on ISE and WLC appears to be OK. When I try to connect to the SSID "Guest", I can get ip by DHCP and nslookup the DNS of ISE and ca...

I have a WLC 5508 in HA. Firmware 8.3.143.0 and trying to upgrade to 8.5.140. We have around 100-105 AP registered in the WLC. I could attach the new image and bundle for the 8.5.140, and now, i'm trying to "predownload" the firmware in all the AP's....