diff --git a/phpgwapi/inc/class.db_backup.inc.php b/phpgwapi/inc/class.db_backup.inc.php
index 2fcd38f3ba..a2db0955be 100644
--- a/phpgwapi/inc/class.db_backup.inc.php
+++ b/phpgwapi/inc/class.db_backup.inc.php
@@ -341,10 +341,11 @@ class db_backup
 	 * @param boolean $convert_to_system_charset=true convert the restored data to the selected system-charset
 	 * @param string $filename='' gives the file name which is used in case of a zip archive.
 	 * @param boolean $protect_system_config=true should above system_config values be protected (NOT overwritten)
+	 * @param int $insert_n_rows=10 how many rows to insert in one sql statement
 	 *
 	 * @returns An empty string or an error message in case of failure.
 	 */
-	function restore($f,$convert_to_system_charset=true,$filename='',$protect_system_config=true)
+	function restore($f,$convert_to_system_charset=true,$filename='',$protect_system_config=true, $insert_n_rows=10)
 	{
 		@set_time_limit(0);
 		ini_set('auto_detect_line_endings',true);
@@ -462,6 +463,11 @@ class db_backup
 			}
 			if (substr($line,0,7) == 'table: ')
 			{
+				if ($rows)	// flush pending rows of last table
+				{
+					$this->db->insert($table,$rows,False,__LINE__,__FILE__,false,false,$this->schemas[$table]);
+				}
+				$rows = array();
 				$table = substr($line,7);
 
 				$cols = self::csv_split($line=fgets($f)); ++$n;
@@ -501,7 +507,19 @@ class db_backup
 						{
 							$data = translation::convert($data,$charset);
 						}
-						$this->db->insert($table,$data,False,__LINE__,__FILE__,false,false,$this->schemas[$table]);
+						if ($insert_n_rows > 1)
+						{
+							$rows[] = $data;
+							if (count($rows) == $insert_n_rows)
+							{
+								$this->db->insert($table,$rows,False,__LINE__,__FILE__,false,false,$this->schemas[$table]);
+								$rows = array();
+							}
+						}
+						else
+						{
+							$this->db->insert($table,$data,False,__LINE__,__FILE__,false,false,$this->schemas[$table]);
+						}
 					}
 					else
 					{
@@ -511,6 +529,10 @@ class db_backup
 				}
 			}
 		}
+		if ($rows)	// flush pending rows
+		{
+			$this->db->insert($table,$rows,False,__LINE__,__FILE__,false,false,$this->schemas[$table]);
+		}
 		// updated the sequences, if the DB uses them
 		foreach($this->schemas as $table => $schema)
 		{
diff --git a/phpgwapi/inc/class.egw_db.inc.php b/phpgwapi/inc/class.egw_db.inc.php
index 8c3ec62a62..ad6f08d8c1 100644
--- a/phpgwapi/inc/class.egw_db.inc.php
+++ b/phpgwapi/inc/class.egw_db.inc.php
@@ -1787,7 +1787,25 @@ class egw_db
 			$table = self::$tablealiases[$table];
 		}
 		$inputarr = false;
-		if ($use_prepared_statement && $this->Link_ID->_bindInputArray)	// eg. MaxDB
+		if (isset($data[0]) && is_array($data[0]))	// multiple data rows
+		{
+			if ($where) throw new egw_exception_wrong_parameter('Can NOT use $where together with multiple data rows in $data!');
+
+			$sql = "$cmd INTO $table ";
+			foreach($data as $k => $d)
+			{
+				if (!$k)
+				{
+					$sql .= $this->column_data_implode(',',$d,'VALUES',true,$table_def['fd']);
+				}
+				else
+				{
+					$sql .= ",\n(".$this->column_data_implode(',',$d,false,true,$table_def['fd']).')';
+				}
+			}
+			$sql .= $sql_append;
+		}
+		elseif ($use_prepared_statement && $this->Link_ID->_bindInputArray)	// eg. MaxDB
 		{
 			$this->Link_ID->Param(false);	// reset param-counter
 			$cols = array_keys($data);
diff --git a/setup/db_backup.php b/setup/db_backup.php
index a8e0040c7c..7c030920e0 100644
--- a/setup/db_backup.php
+++ b/setup/db_backup.php
@@ -186,8 +186,9 @@ if ($_POST['restore'])
 	if (is_resource($f = $db_backup->fopen_backup($file,true)))
 	{
 		echo '<p align="center">'.lang('restore started, this might take a few minutes ...')."</p>\n".str_repeat(' ',4096);
+		$start = time();
 		$db_backup->restore($f, true, $file);	// allways convert to current system charset on restore
-		$setup_tpl->set_var('error_msg',lang("backup '%1' restored",$file));
+		$setup_tpl->set_var('error_msg',lang("backup '%1' restored",$file).' ('.(time()-$start).' s)');
 		if ($run_in_egw)
 		{
 			// updating the backup