LDAP_CONFIDENTIALITY_REQUIRED

[Pooja <juh...@wo...>]

I am new to NDS. I always get the following error 
"LDAP_CONFIDENTIALITY_REQUIRED" when I do the bind using dn
and password. 

my $mesg = $ldap->bind (dn       => $dn, password =>
$password);
print "  " . $mesg->code . "   ";
print ldap_error_name($mesg->code) ;

Can some one tell what am i doing wrong? 
The same code works for Netscape directory server.

thanks