diff --git a/bin/console b/bin/console
index f70653c09e..0e888cab10 100755
--- a/bin/console
+++ b/bin/console
@@ -83,6 +83,8 @@ try {
     $app->add(new module_console_fieldsRename('fields:rename'));
     $app->add(new module_console_fieldsMerge('fields:merge'));
 
+    $app->add(new Alchemy\Phrasea\Command\RescanTechnicalDatas('records:rescan-technical-datas'));
+    
     $result_code = is_int($app->run()) ? : 1;
 } catch (Exception $e) {
     echo sprintf("an error occured : %s", $e->getMessage());
diff --git a/lib/Alchemy/Phrasea/Command/RescanTechnicalDatas.php b/lib/Alchemy/Phrasea/Command/RescanTechnicalDatas.php
new file mode 100644
index 0000000000..c4b31725c8
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Command/RescanTechnicalDatas.php
@@ -0,0 +1,143 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2012 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Command;
+
+use Alchemy\Phrasea\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Rescan Technical Datas command : Rescan all records of all databases and
+ * rescan technical datas.
+ *
+ * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
+ * @link        www.phraseanet.com
+ */
+class RescanTechnicalDatas extends Command
+{
+    /**
+     * The average speed (record/sec), used to warn about duration 
+     */
+    const AVG_SPEED = 2.8;
+
+    protected $appbox;
+
+    /**
+     * Constructor
+     */
+    public function __construct($name = null)
+    {
+        parent::__construct($name);
+
+
+        $this->setDescription('Rescan databases for technical datas');
+        $this->setHelp('Old Phraseanet version did not fully read technical datas. This command rescan all records of these datas.');
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function requireSetup()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->checkSetup();
+
+        $this->appbox = \appbox::get_instance(\bootstrap::getCore());
+
+        $quantity = $this->computeQuantity();
+        $duration = $this->getFormattedDuration($quantity);
+
+        $dialog = $this->getHelperSet()->get('dialog');
+        do {
+            $continue = mb_strtolower($dialog->ask($output, sprintf('Estimated duration is %s, <question>continue ? (y/N)</question>', $duration), 'N'));
+        } while ( ! in_array($continue, array('y', 'n')));
+
+        if (strtolower($continue) !== 'y') {
+            $output->writeln('Aborting !');
+            return;
+        }
+
+        $start = microtime(true);
+        $n = 0;
+
+        foreach ($this->appbox->get_databoxes() as $databox) {
+
+            $sql = 'SELECT record_id FROM record WHERE parent_record_id = 0';
+            $stmt = $databox->get_connection()->prepare($sql);
+            $stmt->execute();
+            $rs = $stmt->fetchAll(\PDO::FETCH_ASSOC);
+            $stmt->closeCursor();
+
+            foreach ($rs as $row) {
+                $record = $databox->get_record($row['record_id']);
+                $record->insertTechnicalDatas();
+                unset($record);
+                $output->write("\r" . $n . " records done");
+                $n ++;
+            }
+        }
+
+        $output->writeln("\n");
+
+        $stop = microtime(true);
+        $duration = $stop - $start;
+
+        $output->writeln(sprintf("process took %s, (%f rec/s.)", $this->getFormattedDuration($duration), round($quantity / $duration, 3)));
+
+        return;
+    }
+
+    /**
+     * Format a duration in seconds to human readable
+     *
+     * @param type $seconds the time to format
+     * @return string 
+     */
+    public function getFormattedDuration($seconds)
+    {
+        $duration = round($seconds / (60 * self::AVG_SPEED)) . ' minutes';
+
+        if ($duration > 60) {
+            $duration = round($duration / (60 * self::AVG_SPEED), 1) . ' hours';
+        }
+        if ($duration > 24) {
+            $duration = round($duration / (24 * self::AVG_SPEED), 1) . ' days';
+        }
+
+        return $duration;
+    }
+
+    /**
+     * Return the total quantity of records to process
+     *
+     * @return integer 
+     */
+    protected function computeQuantity()
+    {
+        $n = 0;
+
+        foreach ($this->appbox->get_databoxes() as $databox) {
+            $n += $databox->get_record_amount();
+        }
+
+        return $n;
+    }
+}