Dear All We have samba4 in our network as an domain controller.we have cisco ISE1.3 and our cisco team want to run IEEE802.1x in our network.The problem is that ise use ms-rpc for sending MS-CHAP V2 to samba and it revived RPC login failure from samba.ISE 1.2 use kerberos for sending MS-CHAP V2 and its ok but we have problem with ISE 1.3.any advise to solve this problem? sincerely yours Lahijani