Hi, I think this patch could fix the problem.
Greetings Julian Gürtler
--- a/smbldap-userinfo 2010-09-09 12:56:22.243164485 +0200
+++ b/smbldap-userinfo 2010-09-09 12:56:52.738177064 +0200
@@ -320,6 +320,7 @@ my $givenName = join(' ',@tmp);
$entry->replace( 'gecos' => $gecos );
$entry->replace( 'cn' => $new{'name'} );
+$entry->replace( 'displayName' => $new{'name'} );
if ( exist_in_tab( [$entry->get_value('objectClass')],'inetOrgPerson') ) {
if ( $sn ) {
