diff --git a/phpgwapi/inc/common_functions.inc.php b/phpgwapi/inc/common_functions.inc.php
index 3220603c14..3d49d1c346 100755
--- a/phpgwapi/inc/common_functions.inc.php
+++ b/phpgwapi/inc/common_functions.inc.php
@@ -1433,6 +1433,10 @@ function egw_exception_handler(Exception $e)
 	{
 		$headline = try_lang('Database error');
 	}
+	elseif ($e instanceof egw_exception_wrong_userinput)
+	{
+		$headline = '';	// message contains the whole message, it's usually no real error but some input validation
+	}
 	else
 	{
 		$headline = try_lang('An error happend');
@@ -1446,8 +1450,8 @@ function egw_exception_handler(Exception $e)
 	// exception handler for cli (command line interface) clients, no html
 	if(!isset($_SERVER['HTTP_HOST']) || $GLOBALS['egw_info']['flags']['no_exception_handler'] == 'cli')
 	{
-		echo $headline.': '.$e->getMessage()."\n";
-		echo $e->getTraceAsString()."\n";
+		echo ($headline ? $headline.': ' : '').$e->getMessage()."\n";
+		if (!($e instanceof egw_exception_wrong_userinput)) echo $e->getTraceAsString()."\n";
 		exit($e->getCode() ? $e->getCode() : 9999);		// allways give a non-zero exit code
 	}
 	// regular GUI exception
diff --git a/setup/inc/class.setup_cmd_update.inc.php b/setup/inc/class.setup_cmd_update.inc.php
new file mode 100644
index 0000000000..8dead4e326
--- /dev/null
+++ b/setup/inc/class.setup_cmd_update.inc.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * EGroupware setup - update one EGroupware instances
+ *
+ * @link http://www.egroupware.org
+ * @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
+ * @package setup
+ * @copyright (c) 2009 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @version $Id$
+ */
+
+/**
+ * setup command: update one EGroupware instances
+ */
+class setup_cmd_update extends setup_cmd
+{
+	/**
+	 * Allow to run this command via setup-cli
+	 */
+	const SETUP_CLI_CALLABLE = true;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string|array $domain string with domain-name or array with all arguments
+	 * @param string $config_user=null user to config the domain (or header_admin_user)
+	 * @param string $config_passwd=null pw of above user
+	 * @param string $backup=null filename of backup to use instead of new install, default new install
+	 * @param boolean $verbose=false if true, echos out some status information during the run
+	 */
+	function __construct($domain,$config_user=null,$config_passwd=null,$backup=null,$verbose=false)
+	{
+		if (!is_array($domain))
+		{
+			$domain = array(
+				'domain'        => $domain,
+				'config_user'   => $config_user,
+				'config_passwd' => $config_passwd,
+				'backup'        => $backup,
+				'verbose'       => $verbose,
+			);
+		}
+		//echo __CLASS__.'::__construct()'; _debug_array($domain);
+		admin_cmd::__construct($domain);
+	}
+
+	/**
+	 * run the command: update
+	 *
+	 * @param boolean $check_only=false only run the checks (and throw the exceptions), but not the command itself
+	 * @return string serialized $GLOBALS defined in the header.inc.php
+	 * @throws Exception(lang('Wrong credentials to access the header.inc.php file!'),2);
+	 * @throws Exception('header.inc.php not found!');
+	 */
+	protected function exec($check_only=false)
+	{
+		global $setup_info;
+
+		// instanciate setup object and check authorisation
+		$this->check_setup_auth($this->config_user,$this->config_passwd,$this->domain);
+
+		$this->check_installed($this->domain,array(14),$this->verbose);
+
+		$setup_info = self::$egw_setup->detection->upgrade_exclude($setup_info);
+
+		self::_echo_message($this->verbose,lang('Start updating the database ...'));
+
+		ob_start();
+		self::$egw_setup->process->init_process();	// we need a new schema-proc instance for each new domain
+		self::$egw_setup->process->pass($setup_info,'upgrade',false);
+		$messages = ob_get_contents();
+		ob_end_clean();
+		if ($messages && $this->verbose) echo strip_tags($messages)."\n";
+
+		$this->restore_db();
+
+		return lang('Update finished.');
+	}
+}
diff --git a/setup/setup-cli.php b/setup/setup-cli.php
index 91fa0ade61..6cb1b1e017 100755
--- a/setup/setup-cli.php
+++ b/setup/setup-cli.php
@@ -22,6 +22,7 @@ elseif ($_SERVER['argc'] > 1)
 	$arguments = $_SERVER['argv'];
 	array_shift($arguments);
 	$action = array_shift($arguments);
+	list($_POST['FormDomain']) = explode(',',$arguments[0]);	// header include needs that to detects the right domain
 }
 else
 {
@@ -37,7 +38,6 @@ if (ini_get('session.save_handler') == 'files' && !is_writable(ini_get('session.
 	ini_set('session.save_path','/tmp');	// regular users may have no rights to apache's session dir
 }
 // setting up the $GLOBALS['egw_setup'] object AND including the header.inc.php if it exists
-$_POST['FormDomain'] = $arguments[0];
 $GLOBALS['egw_info'] = array(
 	'flags' => array(
 		'currentapp' => 'setup',
@@ -261,7 +261,8 @@ function do_update($arg)
 {
 	global $setup_info;
 
-	list($domain,,,$no_backup) = $options = explode(',',$arg);
+	list($domain,$user,$password,$backup) = explode(',',$arg);
+	_fetch_user_password($user,$password);
 
 	$domains = $GLOBALS['egw_domain'];
 	if ($domain && $domain != 'all')
@@ -270,8 +271,7 @@ function do_update($arg)
 	}
 	foreach($domains as $domain => $data)
 	{
-		$options[0] = $domain;
-		$arg = implode(',',$options);
+		$arg = "$domain,$user,$password,$backup";
 
 		_check_auth_config($arg,14);
 
@@ -281,18 +281,10 @@ function do_update($arg)
 		}
 		else
 		{
-			echo lang('Start updating the database ...')."\n";
-
 			do_backup($arg,true);
 
-			ob_start();
-			$GLOBALS['egw_setup']->process->init_process();	// we need a new schema-proc instance for each new domain
-			$GLOBALS['egw_setup']->process->pass($setup_info,'upgrade',false);
-			$messages = ob_get_contents();
-			ob_end_clean();
-			if ($messages) echo strip_tags($messages)."\n";
-
-			echo lang('Update finished.')."\n";
+			$cmd = new setup_cmd_update($domain,$user,$password,$backup,true);
+			echo $cmd->run()."\n";
 		}
 	}
 }