We got similar issue. Laptops could not connect to Wifi. I don't see any record on the ISE (radius) server. And the laptop got issue would automatically connect to Wifi after 30 to 60 minutes.   Jul 30 01:27:43 ap-xxxx-08 XXXX XXX-A11214SL 802.1X deauthentication radio: 1, vap: 0, client_mac: 4C:34:88:63:54:BB  « hide client_ip 0.0.0.0 identity XXXX\xxxxxxx aid 737848522 Jul 30 01:27:43 ap-xxxx-08 XXXX XXX-A11214SL 802.11 association channel: 48, rssi: 49 Jul 30 00:42:52 ap-xxxx-06 XXXX XXX-A11214SL 802.11 disassociation unspecified reason Jul 30 00:42:52 ap-xxxx-06 XXXX XXX-A11214SL 802.11 association channel: 153, rssi: 35 Jul 30 00:42:51 ap-xxxx-06 XXXX XXX-A11214SL 802.11 disassociation unspecified reason Jul 30 00:42:51 ap-xxxx-06 XXXX XXX-A11214SL 802.11 association channel: 153, rssi: 34 ... View more