https://community.cisco.com/t5/network-access-control/cts-cleint-issue/m-p/3306873#M546780 <P>Do you have more details on the error message? It might be a mismatch in the shared secret between the authentication server and the device that is authenticating.</P> <P>&nbsp;</P> <P>Maybe start by checking that on both sides and make sure they match.</P> Fri, 05 Jan 2018 16:58:51 GMT Ben Walters 2018-01-05T16:58:51Z https://community.cisco.com/t5/network-access-control/cts-cleint-issue/m-p/3305359#M546779 <P>Hello freinds</P> <P>&nbsp;</P> <P>what could be the issue of the attachment , how to solve it</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>thanks</P> Fri, 21 Feb 2020 18:42:54 GMT https://community.cisco.com/t5/network-access-control/cts-cleint-issue/m-p/3305359#M546779 Ibrahim Jamil 2020-02-21T18:42:54Z https://community.cisco.com/t5/network-access-control/cts-cleint-issue/m-p/3306873#M546780 <P>Do you have more details on the error message? It might be a mismatch in the shared secret between the authentication server and the device that is authenticating.</P> <P>&nbsp;</P> <P>Maybe start by checking that on both sides and make sure they match.</P> Fri, 05 Jan 2018 16:58:51 GMT https://community.cisco.com/t5/network-access-control/cts-cleint-issue/m-p/3306873#M546780 Ben Walters 2018-01-05T16:58:51Z