samba - Mar 2005 - smbpasswd and Sun ONE Directory Server problem

Hi,
 I want to use samba as PDC for various M$ clients. All informations are
 stored on Sun Directory Server ( 5.1 or 5.2 ). All thinks went well, but
 if I tried to change password with smbpasswd, it tells me
 "ldap password change requested, but LDAP server doesnt support it
--ignoring"
 I have look at the source codes, it seems that password change operation
 requires password change extension ( RFC 3062, oid 1.3.6.1.4.1.4203.1.11.1 ),
 but such extension isn't supported on sun's directory servers.
 
 Is possible to run samba without this extension ? If not, it means samba
 isn't compatible with Sun ONE Directory servers.

 ( interesting part of source code: file pdb_ldap.c at line 1511 )

                                                                Thanks, Mirek