ldapsearch error with sasl

[chechu chechu <chechuironman@hotmail.com>]

Hi

i have gssapi correctly installed...but i get thius error with
ldapsearch :

root@shogun:~# ldapsearch -D "cn=admin,dc=ironman,dc=es" -w secret 
SASL/LOGIN authentication started
ldap_sasl_interactive_bind_s: Invalid credentials (49)
        additional info: SASL(-13): user not found: checkpass failed

if i do with -x, it works, but I need sasl.
any help is welcomed
thannks