diff --git a/config/example-config.php b/config/example-config.php
index 85831f78..cc4bdefa 100644
--- a/config/example-config.php
+++ b/config/example-config.php
@@ -624,8 +624,9 @@ $c->admin_email ='calendar-admin@example.com';
 //
 //    );
 //
-//  /* If there is some user you do not want to sync from LDAP, put their username in this list */
+//  /* If there is some user/group you do not want to sync from LDAP, put their username in these lists */
 //  $c->do_not_sync_from_ldap = array( 'admin' => true );
+//  $c->do_not_sync_group_from_ldap = array( 'teamclient1' => true );
 //
 //include('drivers_ldap.php');
 
@@ -652,8 +653,9 @@ $c->admin_email ='calendar-admin@example.com';
 //    'format_updated'    => array('Y' => array(0,4),'m' => array(4,2),'d'=> array(6,2),'H' => array(8,2),'M'=>array(10,2),'S' => array(12,2))
 //    );
 //
-//  /* If there is some user you do not want to sync from LDAP, put their username in this list */
+//  /* If there is some user/group you do not want to sync from LDAP, put their username in these lists */
 //  $c->do_not_sync_from_ldap = array( 'admin' => true );
+//  $c->do_not_sync_group_from_ldap = array( 'teamclient1' => true );
 //
 //include('drivers_ldap.php');
 
diff --git a/inc/drivers_ldap.php b/inc/drivers_ldap.php
index 4bae21fe..252a2c49 100644
--- a/inc/drivers_ldap.php
+++ b/inc/drivers_ldap.php
@@ -566,12 +566,20 @@ function sync_LDAP_groups(){
   }
 
   if ( sizeof ( $groups_to_deactivate ) ){
-    $c->messages[] = sprintf(i18n('- deactivate groups : %s'),join(', ',$groups_to_deactivate));
-    foreach ( $groups_to_deactivate as $group ){
-      $qry = new AwlQuery( 'UPDATE dav_principal SET user_active=FALSE WHERE username=:group AND type_id = 3',array(':group'=>$group) );
-      $qry->Exec('sync_LDAP',__LINE__,__FILE__);
-      Principal::cacheFlush('username=:group AND type_id = 3', array(':group'=>$group) );
+    foreach ( $groups_to_deactivate as $k => $group ){
+      if ( isset($c->do_not_sync_group_from_ldap) && isset($c->do_not_sync_group_from_ldap[$group]) ){
+        unset($groups_to_deactivate[$k]);
+        $groups_nothing_done[] = $group;
+      } else {
+        $qry = new AwlQuery( 'UPDATE dav_principal SET user_active=FALSE WHERE username=:group AND type_id = 3',array(':group'=>$group) );
+        $qry->Exec('sync_LDAP',__LINE__,__FILE__);
+        Principal::cacheFlush('username=:group AND type_id = 3', array(':group'=>$group) );
+      }
     }
+    if ( sizeof($groups_to_deactivate) )
+      $c->messages[] = sprintf(i18n('- deactivated groups : %s'), join(', ',$groups_to_deactivate));
+    if ( sizeof($groups_nothing_done) )
+      $c->messages[] = sprintf(i18n('- nothing done on : %s'), join(', ', $groups_nothing_done));
   }
 
 }