Samba 3 > 3.0.11 boring stuff… not so boring ;-)
A friend, Arrfab, pointed me to something I completly forgot to check for my problem.
I never had that problem in the past, but to be able to put Users and Computers in different ldap ou's with the newest samba 3 releases, the file /etc/ldap.conf must have the following entries :
nss_base_passwd ou=Users,ou=OxObjects,dc=yourdomain,dc=be?one nss_base_passwd ou=Computers,ou=OxObjects,dc=yourdomain,dc=be?one
In many howto's only one row for nss_base_passwd is used.