I have 2125 controller with running IOS 22.214.171.124, now unable to connect windows 8.1 laptops.
It is support Windows OS 8.1 wireless clients, you need to upgrade the firmware to 7.0.250.X.. I think windows is latest version are supported or not. kindly confirm.
Thanks & Regards,
Yes, You have to upgrade to your WLC code at least 126.96.36.199 or above if you are hitting this bug CSCua29504.
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The bug is fixed in the 188.8.131.52 release of WLC software -
Upgrade from 184.108.40.206 to 220.127.116.11
Please refer to the below link in order to upgrade the software :