[Samba] Error joining samba 3.0rc1 domain

[Jarabe]

I get the following error trying  to join domain:

The following error occured attempting to join the domain "SAMBA":
No mapping between account named and security ID's was done.

The following is my smb.conf

# Global parameters
[global]
        workgroup = SAMBA
        server string = Samba Server
        passdb backend = ldapsam:ldap://ldap.server
        username map = /etc/samba/smbusers
        client lanman auth = No
        client plaintext auth = No
        log level = 10
        log file = /var/log/samba/log.%m
        socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
        domain logons = Yes
        os level = 65
        preferred master = Yes
        domain master = Yes
        wins support = Yes
        ldap suffix = dc=aib,dc=com
        ldap machine suffix = ou=Computers,dc=ldap,dc=server
        ldap user suffix = ou=People,dc=ldap,dc=server
        ldap group suffix = dc=ldap,dc=server
        ldap idmap suffix = dc=lda,dc=server
        ldap admin dn = "cn=Manager,dc=ldap,dc=server"
        ldap passwd sync = Yes
        printing = cups

[homes]
        comment = Home Directories
        read only = No
        browseable = No

[printers]
        comment = All Printers
        path = /var/spool/samba
        printable = Yes
        browseable = No


Thanks,

Spencer