Authentication attempts seem to be reaching it and I believe authentication is successful?
"DC1","IAS",08/14/2015,10:29:27,1,"DOMAIN\testaccount","DOMAIN\testaccount","aca31ec5a10e","70188b08204b",,,"192.168.253.242","192.168.253.249",0,0,"192.168.253.1","Kraft WLAN Auth",,,19,,,1,5,"Secure Wireless Connections",0,"311 1 192.168.254.209 08/05/2015 11:00:29 158",,,,"",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"Secure Wireless Connections",1,,,,
"DC1","IAS",08/14/2015,10:29:27,3,,"DOMAIN\testaccount",,,,,,,,0,"192.168.253.1","Kraft WLAN Auth",,,,,,,5,"Secure Wireless Connections",22,"311 1 192.168.254.209 08/05/2015 11:00:29 158",,,,"",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"Secure Wireless Connections",1,,,,
The account referenced can auth from Windows 8 systems, so we know it's good there.
For reference:
192.168.253.242 = IAP
192.168.254.209 = DC/NPS
192.168.253.1 = gateway
The below is the result of the Show AP Debut Auth-Trace-Buf command that matches up with what I pasted above:
Aug 14 10:29:20 station-up * 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - - wpa2 aes
Aug 14 10:29:20 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:21 station-up * 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - - wpa2 aes
Aug 14 10:29:21 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:26 eap-start -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - -
Aug 14 10:29:26 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:26 eap-id-resp -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 33 domain\testaccount
Aug 14 10:29:26 rad-req -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 85 230
Aug 14 10:29:26 rad-resp <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1/DC1 85 90
Aug 14 10:29:26 eap-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 2 6
Aug 14 10:29:26 eap-nak -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 2 6
Aug 14 10:29:26 rad-req -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1/DC1 86 241
Aug 14 10:29:26 rad-reject <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1/DC1 86 44
Aug 14 10:29:26 eap-failure <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 2 4 server rejected
Aug 14 10:29:27 station-up * 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - - wpa2 aes
Aug 14 10:29:27 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:27 eap-start -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - -
Aug 14 10:29:27 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:27 station-up * 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - - wpa2 aes
Aug 14 10:29:27 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:28 station-up * 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 - - wpa2 aes
Aug 14 10:29:28 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:59 eap-id-req <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5
Aug 14 10:29:59 eap-id-resp -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 5 70188B08204B
Aug 14 10:29:59 rad-req -> 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 87 186
Aug 14 10:29:59 rad-reject <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1/DC1 87 44
Aug 14 10:29:59 eap-failure <- 70:18:8b:08:20:4b ac:a3:1e:da:10:e1 1 4 server rejected