http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/40f4abf5-4d67- to your Active Directory server? in the authentication of CMC, under Windows AD, . Exception: krb_error 41 Message stream modified (41) Message stream modified -Djava.security.auth.login.config-c:\winnt\bsclogin.conf.