diff --git a/phpgwapi/cron/asyncservices.php b/phpgwapi/cron/asyncservices.php
index 5afc5c93b1..4de95e8345 100644
--- a/phpgwapi/cron/asyncservices.php
+++ b/phpgwapi/cron/asyncservices.php
@@ -1,76 +1,91 @@
-#!/usr/bin/php -q
 <?php
 /**
  * API - Timed Asynchron Services for eGroupWare
- * 
+ *
  * @link http://www.egroupware.org
  * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
  * @copyright Ralf Becker <RalfBecker-AT-outdoor-training.de>
- * 
+ *
  * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
  * @package api
  * @access public
- * @version $Id$ 
+ * @version $Id$
  */
 
-	$_REQUEST['domain'] = isset($_SERVER['argv'][1]) ? $_SERVER['argv'][1] : 'default';
-	$path_to_egroupware = realpath(dirname(__FILE__).'/../..');	//  need to be adapted if this script is moved somewhere else
+if (!isset($_REQUEST['domain'])) $_REQUEST['domain'] = isset($_SERVER['argv'][1]) ? $_SERVER['argv'][1] : 'default';
+$path_to_egroupware = realpath(dirname(__FILE__).'/../..');	//  need to be adapted if this script is moved somewhere else
 
-	// remove the comment from one of the following lines to enable loging
-	// define('ASYNC_LOG','C:\\async.log');		// Windows
-	// define('ASYNC_LOG','/tmp/async.log');	// Linux, Unix, ...
-	if (defined('ASYNC_LOG'))
+// remove the comment from one of the following lines to enable loging
+// define('ASYNC_LOG','C:\\async.log');		// Windows
+// define('ASYNC_LOG','/tmp/async.log');	// Linux, Unix, ...
+// ini_set('error_log','/var/lib/egroupware/cron.log');	// log regular errors and error_log only
+
+if (defined('ASYNC_LOG'))
+{
+	$msg = date('Y/m/d H:i:s ').$_REQUEST['domain'].": asyncservice started\n";
+	$f = fopen(ASYNC_LOG,'a+');
+	fwrite($f,$msg);
+	fclose($f);
+}
+$GLOBALS['egw_info']['flags'] = array(
+	'currentapp' => 'login',
+	'noapi'      => True		// this stops header.inc.php to include phpgwapi/inc/function.inc.php
+);
+if (!is_readable($path_to_egroupware.'/header.inc.php'))
+{
+	$msg = "asyncservice.php: Could not find '$path_to_egroupware/header.inc.php', exiting !!!\n";
+
+	if (isset($_SERVER['HTTP_HOST']))
 	{
-		$msg = date('Y/m/d H:i:s ').$_REQUEST['domain'].": asyncservice started\n";
-		$f = fopen(ASYNC_LOG,'a+');
-		fwrite($f,$msg);
-		fclose($f);
+		header("HTTP/1.1 500 $msg");
 	}
-
-	$GLOBALS['egw_info']['flags'] = array(
-		'currentapp' => 'login',
-		'noapi'      => True		// this stops header.inc.php to include phpgwapi/inc/function.inc.php
-	);
-	if (!is_readable($path_to_egroupware.'/header.inc.php'))
-	{
-		echo $msg = "asyncservice.php: Could not find '$path_to_egroupware/header.inc.php', exiting !!!\n";
-		if (defined('ASYNC_LOG'))
-		{
-			$f = fopen(ASYNC_LOG,'a+');
-			fwrite($f,$msg);
-			fclose($f);
-		}
-		exit(1);
-	}
-	include($path_to_egroupware.'/header.inc.php');
-	unset($GLOBALS['egw_info']['flags']['noapi']);
-
-	$db_type = $GLOBALS['egw_domain'][$_REQUEST['domain']]['db_type'];
-	if (!isset($GLOBALS['egw_domain'][$_REQUEST['domain']]) || empty($db_type))
-	{
-		echo $msg = "asyncservice.php: Domain '$_REQUEST[domain]' is not configured or renamed, exiting !!!\n";
-		if (defined('ASYNC_LOG'))
-		{
-			$f = fopen(ASYNC_LOG,'a+');
-			fwrite($f,$msg);
-			fclose($f);
-		}
-		exit(1);
-	}
-
-	include(EGW_API_INC.'/functions.inc.php');
-
-	$num = ExecMethod('phpgwapi.asyncservice.check_run','crontab');
-
-	$msg = date('Y/m/d H:i:s ').$_REQUEST['domain'].': '.($num === false ? 'An error occured: can not obtain semaphore!' : 
-		($num ? "$num job(s) executed" : 'Nothing to execute'))."\n\n";
-	// if the following comment got removed, you will get an email from cron for every check performed (*nix only)
-	//echo $msg;
-
 	if (defined('ASYNC_LOG'))
 	{
 		$f = fopen(ASYNC_LOG,'a+');
 		fwrite($f,$msg);
 		fclose($f);
 	}
-	$GLOBALS['egw']->common->egw_exit();
+	die($msg);
+}
+include($path_to_egroupware.'/header.inc.php');
+unset($GLOBALS['egw_info']['flags']['noapi']);
+
+$db_type = $GLOBALS['egw_domain'][$_REQUEST['domain']]['db_type'];
+if (!isset($GLOBALS['egw_domain'][$_REQUEST['domain']]) || empty($db_type))
+{
+	$msg = "asyncservice.php: Domain '$_REQUEST[domain]' is not configured or renamed, exiting !!!\n";
+
+	if (isset($_SERVER['HTTP_HOST']))
+	{
+		header("HTTP/1.1 500 $msg");
+	}
+	if (defined('ASYNC_LOG'))
+	{
+		$f = fopen(ASYNC_LOG,'a+');
+		fwrite($f,$msg);
+		fclose($f);
+	}
+	die($msg);
+}
+
+include(EGW_API_INC.'/functions.inc.php');
+
+$num = ExecMethod('phpgwapi.asyncservice.check_run',isset($_REQUEST['run_by']) ? $_REQUEST['run_by'] : 'crontab');
+
+$msg = date('Y/m/d H:i:s ').$_REQUEST['domain'].': '.($num === false ? 'An error occured: can not obtain semaphore!' :
+	($num ? "$num job(s) executed" : 'Nothing to execute'))."\n\n";
+
+if (isset($_SERVER['HTTP_HOST']))
+{
+	header($num === false ? "HTTP/1.1 500 Can NOT obtain semaphore" : "HTTP/1.1 200 ".($num ? "$num job(s) executed" : 'Nothing to execute'));
+}
+// if the following comment got removed, you will get an email from cron for every check performed (*nix only)
+//echo $msg;
+
+if (defined('ASYNC_LOG'))
+{
+	$f = fopen(ASYNC_LOG,'a+');
+	fwrite($f,$msg);
+	fclose($f);
+}
+common::egw_exit();
diff --git a/phpgwapi/inc/class.asyncservice.inc.php b/phpgwapi/inc/class.asyncservice.inc.php
index 90789d13ad..155f85b6b6 100644
--- a/phpgwapi/inc/class.asyncservice.inc.php
+++ b/phpgwapi/inc/class.asyncservice.inc.php
@@ -387,7 +387,7 @@ class asyncservice
 	 */
 	function check_run($run_by='')
 	{
-		flush();
+		if ($run_by === 'fallback') flush();
 
 		if (!$this->last_check_run(True,False,$run_by))
 		{
@@ -473,7 +473,11 @@ class asyncservice
 	 */
 	function read($id=0,$cols='*',$offset=False,$append='ORDER BY async_next',$num_rows=0)
 	{
-		if (!is_array($id) && (strpos($id,'%') !== False || strpos($id,'_') !== False))
+		if ($id === '%')
+		{
+			$where = "async_id != '##last-check-run##'";
+		}
+		elseif (!is_array($id) && (strpos($id,'%') !== False || strpos($id,'_') !== False))
 		{
 			$id = $this->db->quote($id);
 			$where = "async_id LIKE $id AND async_id != '##last-check-run##'";