Did you enable a cross-realm trust between your KDC and the AD following this blog post: http://hortonworks.com/blog/enabling-kerberos-hdp-active-directory-integration/ ?
See section: “How to enable Domain and Trust in Active Directory”
Did you enable a cross-realm trust between your KDC and the AD following this blog post: http://hortonworks.com/blog/enabling-kerberos-hdp-active-directory-integration/ ?
See section: “How to enable Domain and Trust in Active Directory”