smbldap-populate error

[Adrián Arévalo Tirado <adri58@gmail.com>]

OpenLDAP version:   2.4.23-7.2
Samba Version:      2:3.5.6
Operating System    Debian 6.0 "Squeeze"

Hello everybody.

I'm trying to install a Samba + LDAP PDC but when I try to create the database
with smbldap-populate I get this error:

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Populating LDAP directory for domain empresa
(S-1-5-21-802753395-3202467916-1484007712)
(using builtin directory structure)

entry dc=empresa,dc=com already exist.
entry ou=Users,dc=empresa,dc=com already exist.
entry ou=Groups,dc=empresa,dc=com already exist.
entry ou=Computers,dc=empresa,dc=com already exist.
entry ou=Idmap,dc=empresa,dc=com already exist.
adding new entry: uid=root,ou=Users,dc=empresa,dc=com
failed to add entry: objectClass: value #4 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 58.
adding new entry: uid=nobody,ou=Users,dc=empresa,dc=com
failed to add entry: objectClass: value #4 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 89.
adding new entry: cn=Domain Admins,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 101.
adding new entry: cn=Domain Users,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 112.
adding new entry: cn=Domain Guests,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 123.
adding new entry: cn=Domain Computers,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 134.
adding new entry: cn=Administrators,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 179.
adding new entry: cn=Account Operators,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 201.
adding new entry: cn=Print Operators,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 212.
adding new entry: cn=Backup Operators,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 223.
adding new entry: cn=Replicators,ou=Groups,dc=empresa,dc=com
failed to add entry: objectClass: value #2 invalid per syntax at
/usr/sbin/smbldap-populate line 498, <GEN1> line 234.
adding new entry: sambaDomainName=empresa,dc=empresa,dc=com
failed to add entry: invalid DN at /usr/sbin/smbldap-populate line 498,
<GEN1>
line 242.

Please provide a password for the domain root:
/usr/sbin/smbldap-passwd: user root doesn't exist

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In the log file I get this other error:
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slapd[1369]: conn=1005 op=28 do_search: invalid dn:
"sambaDomainName=empresa,dc=empresa,dc=com"

slapd[1369]: conn=1005 op=29 do_add: invalid dn
(sambaDomainName=empresa,dc=empresa,dc=com)

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I  included in slapd.conf the samba.schema.
Any ideas? I've been looking for any solution for 4 days and nobody seems to
know anything.
Thanks in advance for the responses.
-- 
Adrian <adri58@gmail.com>