hi giuseppe,I really appreciate the response, we also concluded the same thing bz once we tried to bring up the chassis with only 3BXL it was working fine, while along with SUP-3B it (3BXL) was was goin' on ROMMON mode.Thanks again ....

I have tried to change the shared secret from GUI, we are suspecting some integration issue between WLC and IAS, may be due to some certificate expiration, we are in touch with system to get this verified.Meanwhile i would go for changing the shared ...

Hi there,We are also facing the same issue, when trying to get authentication from Windows IAS.WLC is showing the same logs as patel says.If you ppl have got any solution do let me know as well!