samba - Jun 2003 - XP causing sending full user's name instead of login after already logged in

XP seems to have this thing for sending the User's full name string
instead of the user's user name at times (even after they are logged
in), any possibility to get samba to possibly figure out when it's a
user's name string and search for the user's cn or displayName?

Example:

[2003/06/20 14:05:24, 2] passdb/pdb_ldap.c:ldapsam_search_suffix(948)
  ldapsam_search_suffix: searching for:[(&(&(uid=User's
Name)(objectClass=sambaSamAccount))(objectclass=sambaSamAccount))]
[2003/06/20 14:05:24, 2] auth/auth.c:check_ntlm_password(293)
  check_ntlm_password:  Authentication for user [User's Name] ->
[User's
Name] FAILED with error NT_STATUS_NO_SUCH_USER


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