https://community.cisco.com/t5/wireless/4402-controller-ias-802-1x-problem/m-p/1464968#M27426 <P>Hi everybody,</P><P></P><P><BR />We are trying to authenticate wireless clients using radius server and 802.1x protocol. Client wireless interface status remains "Validating Idenitity" and IAS server giving the following error :</P><P></P><P><BR />An Access-Request message was received from RADIUS client WLAN_CONTROLLER_TEST with a message authenticator attribute that is not valid.</P><P></P><P><BR />Best Regards</P><P></P><P><BR />Ozan Oguz</P><P></P><P>CCIE#22559</P> Sun, 04 Jul 2021 02:06:53 GMT Ozan Oguz 2021-07-04T02:06:53Z https://community.cisco.com/t5/wireless/4402-controller-ias-802-1x-problem/m-p/1464968#M27426 <P>Hi everybody,</P><P></P><P><BR />We are trying to authenticate wireless clients using radius server and 802.1x protocol. Client wireless interface status remains "Validating Idenitity" and IAS server giving the following error :</P><P></P><P><BR />An Access-Request message was received from RADIUS client WLAN_CONTROLLER_TEST with a message authenticator attribute that is not valid.</P><P></P><P><BR />Best Regards</P><P></P><P><BR />Ozan Oguz</P><P></P><P>CCIE#22559</P> Sun, 04 Jul 2021 02:06:53 GMT https://community.cisco.com/t5/wireless/4402-controller-ias-802-1x-problem/m-p/1464968#M27426 Ozan Oguz 2021-07-04T02:06:53Z