diff --git a/config/cis.config-default.inc.php b/config/cis.config-default.inc.php
index 5a7162765..ce1070fd3 100644
--- a/config/cis.config-default.inc.php
+++ b/config/cis.config-default.inc.php
@@ -106,6 +106,7 @@ define('LDAP2_BASE_DN','ou=Mitarbeiter,dc=example,dc=com');
 define('LDAP2_BIND_USER','cn=fhcomplete,dc=example,dc=com');
 define('LDAP2_BIND_PASSWORD','Pa55w0rd');
 define('LDAP2_USER_SEARCH_FILTER','sAMAccountName');
+define('LDAP2_SERVICEPING',true);
 */
 
 // LDAP MASTER SERVER fuer Passwort Aenderungen
diff --git a/config/system.config-default.inc.php b/config/system.config-default.inc.php
index 0d93b8eec..d3afea521 100644
--- a/config/system.config-default.inc.php
+++ b/config/system.config-default.inc.php
@@ -72,6 +72,7 @@
 	define('LDAP2_BIND_USER','cn=fhcomplete,dc=example,dc=com');
 	define('LDAP2_BIND_PASSWORD','Pa55w0rd');
 	define('LDAP2_USER_SEARCH_FILTER','sAMAccountName');
+	define('LDAP2_SERVICEPING',true);
 	*/
 
 ?>
diff --git a/config/vilesci.config-default.inc.php b/config/vilesci.config-default.inc.php
index 1d8e476c7..b0077e56a 100644
--- a/config/vilesci.config-default.inc.php
+++ b/config/vilesci.config-default.inc.php
@@ -95,6 +95,7 @@ define('LDAP2_BASE_DN', 'ou=Mitarbeiter,dc=example,dc=com');
 define('LDAP2_BIND_USER', 'cn=fhcomplete,dc=example,dc=com');
 define('LDAP2_BIND_PASSWORD', 'Pa55w0rd');
 define('LDAP2_USER_SEARCH_FILTER', 'sAMAccountName');
+define('LDAP2_SERVICEPING',true);
 */
 
 // LDAP MASTER SERVER fuer Passwort Aenderungen
diff --git a/config/wawi.config-default.inc.php b/config/wawi.config-default.inc.php
index a5adccf04..e1fbbb69c 100644
--- a/config/wawi.config-default.inc.php
+++ b/config/wawi.config-default.inc.php
@@ -73,6 +73,7 @@ define('LDAP2_BASE_DN','ou=Mitarbeiter,dc=example,dc=com');
 define('LDAP2_BIND_USER','cn=fhcomplete,dc=example,dc=com');
 define('LDAP2_BIND_PASSWORD','Pa55w0rd');
 define('LDAP2_USER_SEARCH_FILTER','sAMAccountName');
+define('LDAP2_SERVICEPING',true);
 */
 
 // Attribut fuer Zutrittskartennummer im LDAP