diff --git a/admin/admin-cli.php b/admin/admin-cli.php
index 43e17ca98e..f4f9ef6c5d 100755
--- a/admin/admin-cli.php
+++ b/admin/admin-cli.php
@@ -114,6 +114,10 @@ function run_command($cmd)
 				$cmd->comment = array_shift($arguments);
 				break;
 				
+			case '--remote':	// run the command on a remote install
+				$cmd->remote_id = admin_cmd::parse_remote(array_shift($arguments));
+				break;
+				
 			default:
 				//fail(99,lang('Unknown option %1',$extra);
 				echo lang('Unknown option %1',$extra)."\n\n";
@@ -121,6 +125,7 @@ function run_command($cmd)
 				break;
 		}
 	}
+	//_debug_array($cmd);
 	return $cmd->run($time);
 }
 
@@ -162,7 +167,7 @@ function user_pass_from_argv(&$account)
 function usage($action=null,$ret=0)
 {
 	$cmd = basename($_SERVER['argv'][0]);
-	echo "Usage: $cmd --command admin-account[@domain],admin-password,options,... [--schedule {YYYY-mm-dd|+1 week|+5 days}] [--requested 'Name <email>'] [--comment 'comment ...']\n\n";
+	echo "Usage: $cmd --command admin-account[@domain],admin-password,options,... [--schedule {YYYY-mm-dd|+1 week|+5 days}] [--requested 'Name <email>'] [--comment 'comment ...'] [--remote {id|name}]\n\n";
 	
 	echo "--edit-user admin-account[@domain],admin-password,account[=new-account-name],first-name,last-name,password,email,expires{never(default)|YYYY-MM-DD|already},can-change-pw{yes(default)|no},anon-user{yes|no(default)},primary-group{Default(default)|...}[,groups,...]\n";
 	echo "	Edit or add a user to eGroupWare. If you specify groups, they *replace* the exiting memberships!\n";
diff --git a/admin/inc/class.admin_cmd.inc.php b/admin/inc/class.admin_cmd.inc.php
index db57804893..5dd693eac8 100644
--- a/admin/inc/class.admin_cmd.inc.php
+++ b/admin/inc/class.admin_cmd.inc.php
@@ -50,6 +50,8 @@ abstract class admin_cmd
 	private $id;
 	private $uid;
 	private $type = __CLASS__;
+	public $remote_id;
+
 	/**
 	 * Stores the data of the derived classes
 	 *
@@ -78,6 +80,13 @@ abstract class admin_cmd
 	 */
 	static private $sql;
 	
+	/**
+	 * Instance of so_sql for egw_admin_remote
+	 *
+	 * @var so_sql
+	 */
+	static private $remote;
+	
 	/**
 	 * Executes the command
 	 * 
@@ -136,7 +145,14 @@ abstract class admin_cmd
 		else
 		{
 			try {
-				$ret = $this->exec();
+				if (!$this->remote_id)
+				{
+					$ret = $this->exec();
+				}
+				else
+				{
+					$ret = $this->remote_exec();
+				}
 				$this->status = admin_cmd::successful;
 			}
 			catch (Exception $e) {
@@ -152,6 +168,61 @@ abstract class admin_cmd
 		return $ret;
 	}
 	
+	/**
+	 * Runs a command on a remote install
+	 * 
+	 * This is a very basic remote procedure call to an other egw instance.
+	 * The payload / command data is send as POST request to the remote installs admin/remote.php script.
+	 * The remote domain (eGW instance) and the secret authenticating the request are send as GET parameters.
+	 *
+	 * To authenticate with the installation we use a secret, which is a md5 hash build from the uid 
+	 * of the command (to not allow to send new commands with an earsdroped secret) and the md5 hash 
+	 * of the md5 hash of the config password and the install_id (egw_admin_remote.remote_hash)
+	 * 
+	 * @return string sussess message
+	 * @throws Exception(lang('Invalid remote id or name "%1"!',$id_or_name),997) or other Exceptions reported from remote
+	 */
+	private function remote_exec()
+	{
+		admin_cmd::_instanciate_remote();
+		
+		if (!($remote = admin_cmd::$remote->read($this->remote_id)))
+		{
+			throw new Exception(lang('Invalid remote id or name "%1"!',$id_or_name),997);
+		}
+		if (!$this->uid)
+		{
+			$this->save();	// to get the uid
+		}
+		$secret = md5($this->uid.$remote['remote_hash']);
+		
+		$postdata = $GLOBALS['egw']->translation->convert($this->as_array(),$GLOBALS['egw']->translation->charset(),'utf-8');
+		// dont send the id's which have no meaning on the remote install
+		foreach(array('id','creator','modifier','requested','remote_id') as $name)
+		{
+			unset($postdata[$name]);
+		}
+		$opts = array('http' =>
+		    array(
+		        'method'  => 'POST',
+		        'header'  => 'Content-type: application/x-www-form-urlencoded',
+		        'content' => http_build_query($postdata),
+		    )
+		);
+		$url = $remote['remote_url'].'/admin/remote.php?domain='.urlencode($remote['remote_domain']).'&secret='.urlencode($secret);
+		//echo "sending command to $url\n"; _debug_array($opts);
+		$message = file_get_contents($url, false, stream_context_create($opts));
+		//echo "got: $message\n";
+		
+		$message = $GLOBALS['egw']->translation->convert($message,'utf-8');
+		
+		if (preg_match('/^([0-9]+) (.*)$/',$message,$matches))
+		{
+			throw new Exception($matches[2],(int)$matches[1]);
+		}
+		return $message;
+	}
+	
 	/**
 	 * Delete / canncels a scheduled command
 	 *
@@ -301,20 +372,35 @@ abstract class admin_cmd
 	}
 
 	/**
-	 * Instanciate our static so_sql object
+	 * Instanciate our static so_sql object for egw_admin_queue
 	 *
 	 * @static 
 	 */
 	private static function _instanciate_sql()
 	{
-		include_once(EGW_INCLUDE_ROOT.'/etemplate/inc/class.so_sql.inc.php');
-
 		if (is_null(admin_cmd::$sql))
 		{
+			include_once(EGW_INCLUDE_ROOT.'/etemplate/inc/class.so_sql.inc.php');
+
 			admin_cmd::$sql = new so_sql('admin','egw_admin_queue',null,'cmd_');
 		}
 	}
 	
+	/**
+	 * Instanciate our static so_sql object for egw_admin_remote
+	 *
+	 * @static 
+	 */
+	private static function _instanciate_remote()
+	{
+		if (is_null(admin_cmd::$remote))
+		{
+			include_once(EGW_INCLUDE_ROOT.'/etemplate/inc/class.so_sql.inc.php');
+
+			admin_cmd::$remote = new so_sql('admin','egw_admin_remote');
+		}
+	}
+	
 	/**
 	 * magic method to read a property, all non admin-cmd properties are stored in the data array
 	 * 
@@ -437,6 +523,7 @@ abstract class admin_cmd
 	 *
 	 * @param string $date
 	 * @return int timestamp
+	 * @throws Exception(lang('Invalid formated date "%1"!',$datein),998);
 	 */
 	static function parse_date($date)
 	{
@@ -453,6 +540,27 @@ abstract class admin_cmd
 		}
 		return (int)$date;
 	}
+	
+	/**
+	 * Parse a remote id or name and return the remote_id
+	 *
+	 * @param string $id_or_name
+	 * @return int remote_id
+	 * @throws Exception(lang('Invalid remote id or name "%1"!',$id_or_name),997);
+	 */
+	static function parse_remote($id_or_name)
+	{
+		admin_cmd::_instanciate_remote();
+		
+		if (!($remotes = admin_cmd::$remote->search(array(
+			'remote_id' => $id_or_name,
+			'remote_name' => $id_or_name,
+		),true,'','','',false,'OR')) || count($remotes) != 1)
+		{
+			throw new Exception(lang('Invalid remote id or name "%1"!',$id_or_name),997);
+		}
+		return $remotes[0]['remote_id'];
+	}
 
 	/**
 	 * Instanciated accounts class
diff --git a/admin/remote.php b/admin/remote.php
index 9132519096..4ed65f2c8b 100644
--- a/admin/remote.php
+++ b/admin/remote.php
@@ -27,13 +27,17 @@ if (!isset($GLOBALS['egw_domain'][$instance]))
 	$instance = $GLOBALS['egw_info']['server']['default_domain'];
 }
 $domain_data = $GLOBALS['egw_domain'][$instance];
+//echo $instance; _debug_array($domain_data);
 
+// to authenticate with the installation we use a secret, which is a md5 hash build from the uid 
+// of the command (to not allow to send new commands with an earsdroped secret) and the md5 hash 
+// of the md5 hash of the config password and the install_id (egw_admin_remote.remote_hash)
 if (!$domain_data || is_numeric($_REQUEST['uid']) ||
-	$_REQUEST['secret'] != ($md5=md5($_REQUEST['uid'].$GLOBALS['egw_info']['server']['install_id'].$domain_data['config_password'])))
+	$_REQUEST['secret'] != ($md5=md5($_REQUEST['uid'].md5($domain_data['config_passwd'].$GLOBALS['egw_info']['server']['install_id']))))
 {
 	header("HTTP/1.1 401 Unauthorized");
-	//die("secret != '$md5'");
-	echo lang('Permission denied!');
+	//die("0 secret != '$md5'");
+	echo lang('0 Permission denied!');
 	$GLOBALS['egw']->common->egw_exit();
 }
 
@@ -53,14 +57,15 @@ if (!$_REQUEST['uid'] ||	// no uid
 	!$_REQUEST['creator_email'])	// no creator email
 {
 	header("HTTP/1.1 400 Bad format!");
-	echo lang('Bad format!');
+	echo lang('0 Bad format!');
 	$GLOBALS['egw']->common->egw_exit();
 }
 
 // create command from request data
 $data = isset($_POST['uid']) ? $_POST : $_GET;
 unset($data['secret']);
-unset($data['id']);		// we are remote
+unset($data['id']);			// we are remote
+unset($data['remote_id']);
 $data['creator'] = 0;	// remote
 if (isset($data['modifier'])) $data['modifier'] = 0;
 if (isset($data['requested'])) $data['requested'] = 0;
@@ -69,7 +74,7 @@ if (isset($data['requested'])) $data['requested'] = 0;
 try {
 	$cmd = admin_cmd::instanciate($data);
 	//_debug_array($cmd); exit;
-	$success_msg = $cmd->run($data['sheduled']);
+	$success_msg = $cmd->run();
 }
 catch (Exception $e) {
 	header('HTTP/1.1 400 '.$e->getMessage());
diff --git a/admin/setup/setup.inc.php b/admin/setup/setup.inc.php
index 6980076b4f..f11aab0c5e 100755
--- a/admin/setup/setup.inc.php
+++ b/admin/setup/setup.inc.php
@@ -10,9 +10,9 @@
  */
 
 $setup_info['admin']['name']      = 'admin';
-$setup_info['admin']['version']   = '1.5.001';
+$setup_info['admin']['version']   = '1.5.003';
 $setup_info['admin']['app_order'] = 1;
-$setup_info['admin']['tables']    = array('egw_admin_queue');
+$setup_info['admin']['tables']    = array('egw_admin_queue','egw_admin_remote');
 $setup_info['admin']['enable']    = 1;
 
 $setup_info['admin']['author'][] = array(
@@ -53,3 +53,4 @@ $setup_info['admin']['depends'][] = array(
 	'appname' => 'etemplate',
 	'versions' => Array('1.4','1.5')
 );
+
diff --git a/admin/setup/tables_current.inc.php b/admin/setup/tables_current.inc.php
index f060cb924a..aea43483e8 100644
--- a/admin/setup/tables_current.inc.php
+++ b/admin/setup/tables_current.inc.php
@@ -12,30 +12,44 @@
  * @version $Id$
  */
 
-$phpgw_baseline = array(
-	'egw_admin_queue' => array(
-		'fd' => array(
-			'cmd_id' => array('type' => 'auto'),
-			'cmd_uid' => array('type' => 'varchar','precision' => '255','nullable' => False),
-			'cmd_creator' => array('type' => 'int','precision' => '4','nullable' => False),
-			'cmd_creator_email' => array('type' => 'varchar','precision' => '128','nullable' => False),
-			'cmd_created' => array('type' => 'int','precision' => '8','nullable' => False),
-			'cmd_type' => array('type' => 'varchar','precision' => '32','nullable' => False,'default' => 'admin_cmd'),
-			'cmd_status' => array('type' => 'int','precision' => '1'),
-			'cmd_scheduled' => array('type' => 'int','precision' => '8'),
-			'cmd_modified' => array('type' => 'int','precision' => '8'),
-			'cmd_modifier' => array('type' => 'int','precision' => '4'),
-			'cmd_modifier_email' => array('type' => 'varchar','precision' => '128'),
-			'cmd_error' => array('type' => 'varchar','precision' => '255'),
-			'cmd_errno' => array('type' => 'int','precision' => '4'),
-			'cmd_requested' => array('type' => 'int','precision' => '4'),
-			'cmd_requested_email' => array('type' => 'varchar','precision' => '128'),
-			'cmd_comment' => array('type' => 'varchar','precision' => '255'),
-			'cmd_data' => array('type' => 'blob')
+	$phpgw_baseline = array(
+		'egw_admin_queue' => array(
+			'fd' => array(
+				'cmd_id' => array('type' => 'auto'),
+				'cmd_uid' => array('type' => 'varchar','precision' => '255','nullable' => False),
+				'cmd_creator' => array('type' => 'int','precision' => '4','nullable' => False),
+				'cmd_creator_email' => array('type' => 'varchar','precision' => '128','nullable' => False),
+				'cmd_created' => array('type' => 'int','precision' => '8','nullable' => False),
+				'cmd_type' => array('type' => 'varchar','precision' => '32','nullable' => False,'default' => 'admin_cmd'),
+				'cmd_status' => array('type' => 'int','precision' => '1'),
+				'cmd_scheduled' => array('type' => 'int','precision' => '8'),
+				'cmd_modified' => array('type' => 'int','precision' => '8'),
+				'cmd_modifier' => array('type' => 'int','precision' => '4'),
+				'cmd_modifier_email' => array('type' => 'varchar','precision' => '128'),
+				'cmd_error' => array('type' => 'varchar','precision' => '255'),
+				'cmd_errno' => array('type' => 'int','precision' => '4'),
+				'cmd_requested' => array('type' => 'int','precision' => '4'),
+				'cmd_requested_email' => array('type' => 'varchar','precision' => '128'),
+				'cmd_comment' => array('type' => 'varchar','precision' => '255'),
+				'cmd_data' => array('type' => 'blob'),
+				'remote_id' => array('type' => 'int','precision' => '4')
+			),
+			'pk' => array('cmd_id'),
+			'fk' => array(),
+			'ix' => array('cmd_status','cmd_scheduled'),
+			'uc' => array('cmd_uid')
 		),
-		'pk' => array('cmd_id'),
-		'fk' => array(),
-		'ix' => array('cmd_status','cmd_scheduled'),
-		'uc' => array('cmd_uid')
-	)
-);
+		'egw_admin_remote' => array(
+			'fd' => array(
+				'remote_id' => array('type' => 'auto'),
+				'remote_name' => array('type' => 'varchar','precision' => '64','nullable' => False),
+				'remote_hash' => array('type' => 'varchar','precision' => '32','nullable' => False),
+				'remote_url' => array('type' => 'varchar','precision' => '128','nullable' => False),
+				'remote_domain' => array('type' => 'varchar','precision' => '64','nullable' => False)
+			),
+			'pk' => array('remote_id'),
+			'fk' => array(),
+			'ix' => array(),
+			'uc' => array('remote_name')
+		)
+	);
diff --git a/admin/setup/tables_update.inc.php b/admin/setup/tables_update.inc.php
index 4e8f865f8d..e0b4587ba0 100644
--- a/admin/setup/tables_update.inc.php
+++ b/admin/setup/tables_update.inc.php
@@ -12,6 +12,11 @@
  * @version $Id$
  */
 
+function admin_upgrade1_2()
+{
+	return $GLOBALS['setup_info']['admin']['currentver'] = '1.4';		
+}
+
 function admin_upgrade1_4()
 {
 	$GLOBALS['egw_setup']->oProc->CreateTable('egw_admin_queue',array(
@@ -41,3 +46,36 @@ function admin_upgrade1_4()
 	));
 	return $GLOBALS['setup_info']['admin']['currentver'] = '1.5.001';		
 }
+
+	$test[] = '1.5.001';
+	function admin_upgrade1_5_001()
+	{
+		$GLOBALS['egw_setup']->oProc->CreateTable('egw_admin_remote',array(
+			'fd' => array(
+				'remote_id' => array('type' => 'auto'),
+				'remote_name' => array('type' => 'varchar','precision' => '64','nullable' => False),
+				'remote_hash' => array('type' => 'varchar','precision' => '32','nullable' => False),
+				'remote_url' => array('type' => 'varchar','precision' => '128','nullable' => False),
+				'remote_domain' => array('type' => 'varchar','precision' => '64','nullable' => False)
+			),
+			'pk' => array('remote_id'),
+			'fk' => array(),
+			'ix' => array(),
+			'uc' => array('remote_name')
+		));
+
+		return $GLOBALS['setup_info']['admin']['currentver'] = '1.5.002';
+	}
+
+
+	$test[] = '1.5.002';
+	function admin_upgrade1_5_002()
+	{
+		$GLOBALS['egw_setup']->oProc->AddColumn('egw_admin_queue','remote_id',array(
+			'type' => 'int',
+			'precision' => '4'
+		));
+
+		return $GLOBALS['setup_info']['admin']['currentver'] = '1.5.003';
+	}
+?>