MRBS -- LDAP

mrbs 1.4.8 on OB2D with "apt-get install php5-ldap"

check ldap log
/var/log/apache2/error.log

systemdefaults.inc.php

$auth["type"] = "ldap";
$ldap_host = "server.abc.com";
$ldap_port = 389;
$ldap_v3 = false;
$ldap_tls = false;
$ldap_base_dn = "c=uers,DC=abc,DC=com";
$ldap_user_attrib = "uid";
$ldap_dn_search_attrib = "sAMAccountName";
$ldap_dn_search_dn = "CN=user,cn=users,DC=abc,DC=com";
$ldap_dn_search_password = "xxxxxx";

$ldap_disable_referrals = TRUE;
$ldap_get_user_email = FALSE;
$ldap_email_attrib = "mail";
//$ldap_unbind_between_attempts = TRUE;
$ldap_debug = TRUE;

//$ldap_filter = "memberof=cn=MRBSUsers,ou=MRBS,ou=Groups,dc=ufv,dc=ca";
//$ldap_admin_group_dn = "cn=MRBSAdmins,ou=MRBS,ou=Groups,dc=ufv,dc=ca";
//$ldap_group_member_attrib = "memberof";

auth_ldap.inc

// Turn any non-array config items into arrays in $all_ldap_opts
+  if (!isset($count))
+  {
+    $count = 1;
+  }
foreach ($config_items as $item)
{
if (!isset($$item))