diff --git a/src/mibew/configs/routing.yml b/src/mibew/configs/routing.yml
index a583da5d..713490c6 100644
--- a/src/mibew/configs/routing.yml
+++ b/src/mibew/configs/routing.yml
@@ -678,6 +678,20 @@ translations:
         _access_permissions: [CAN_ADMINISTRATE]
 
 ## Updates
+update:
+    path: /update
+    defaults:
+        _controller: Mibew\Controller\UpdateController::indexAction
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
+
+update_run:
+    path: /update/run
+    defaults:
+        _controller: Mibew\Controller\UpdateController::runUpdateAction
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
+
 updates:
     path: /operator/updates
     defaults:
diff --git a/src/mibew/libs/classes/Mibew/Controller/HomeController.php b/src/mibew/libs/classes/Mibew/Controller/HomeController.php
index 8c97c429..23be72a2 100644
--- a/src/mibew/libs/classes/Mibew/Controller/HomeController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/HomeController.php
@@ -52,11 +52,11 @@ class HomeController extends AbstractController
         $page = array(
             'version' => MIBEW_VERSION,
             'localeLinks' => get_locale_links(),
-            'needUpdate' => Settings::get('dbversion') != DB_VERSION,
+            'needUpdate' => version_compare(Settings::get('dbversion'), DB_VERSION, '<'),
             'profilePage' => $this->generateUrl('operator_edit', array('operator_id' => $operator['operatorid'])),
             // Use another entry point as an install URL.
             // TODO: Use real update route when the System Updater will be ready
-            'updateWizard' => $request->getBasePath() . '/install.php',
+            'updateWizard' => $this->generateUrl('update'),
             'newFeatures' => Settings::get('featuresversion') != FEATURES_VERSION,
             'featuresPage' => $this->generateUrl('settings_features'),
             'isOnline' => $is_online,
diff --git a/src/mibew/libs/classes/Mibew/Controller/UpdateController.php b/src/mibew/libs/classes/Mibew/Controller/UpdateController.php
new file mode 100644
index 00000000..74e6279a
--- /dev/null
+++ b/src/mibew/libs/classes/Mibew/Controller/UpdateController.php
@@ -0,0 +1,102 @@
+<?php
+/*
+ * This file is a part of Mibew Messenger.
+ *
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Mibew\Controller;
+
+use Mibew\Maintenance\Updater;
+use Mibew\Style\PageStyle;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Process all pages related with update.
+ */
+class UpdateController extends AbstractController
+{
+    /**
+     * @var Updater|null
+     */
+    protected $updater = null;
+
+    /**
+     * Renders update intro page.
+     *
+     * @param Request $request Incoming request.
+     * @return Response|string Rendered page contents or Symfony's response
+     *   object.
+     */
+    public function indexAction(Request $request)
+    {
+        $parameters = array(
+            'version' => MIBEW_VERSION,
+            'fixedwrap' => true,
+            'title' => getlocal('Update'),
+        );
+
+        return $this->render('update_intro', $parameters);
+    }
+
+    /**
+     * Runs the Updater.
+     *
+     * @param Request $request Incoming request.
+     * @return Response|string Rendered page contents or Symfony's response
+     *   object.
+     */
+    public function runUpdateAction(Request $request)
+    {
+        $upd = $this->getUpdater();
+        $upd->run();
+
+        $parameters = array(
+            'version' => MIBEW_VERSION,
+            'fixedwrap' => true,
+            'title' => getlocal('Update'),
+            'done' => $this->getUpdater()->getLog(),
+            'errors' => $this->getUpdater()->getErrors(),
+        );
+
+        return $this->render('update_progress', $parameters);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getStyle()
+    {
+        if (is_null($this->style)) {
+            $this->style = $this->prepareStyle(new PageStyle('default'));
+        }
+
+        return $this->style;
+    }
+
+    /**
+     * Returns an instance of Updater.
+     *
+     * @return Updater
+     */
+    protected function getUpdater()
+    {
+        if (is_null($this->updater)) {
+            $this->updater = new Updater();
+        }
+
+        return $this->updater;
+    }
+}
diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Installer.php b/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
index 879c1174..5c3d61d9 100644
--- a/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
@@ -563,7 +563,7 @@ class Installer
      *
      * If Mibew is not installed yet boolean false will be returned.
      *
-     * @return int|boolean Database structure version or boolean false if the
+     * @return string|boolean Database structure version or boolean false if the
      *   version cannot be determined.
      */
     protected function getDatabaseVersion()
@@ -585,10 +585,10 @@ class Installer
         if (!$result) {
             // It seems that database structure version isn't stored in the
             // database.
-            return 0;
+            return '0.0.0';
         }
 
-        return intval($result['version']);
+        return $result['version'];
     }
 
     /**
@@ -598,7 +598,7 @@ class Installer
      */
     protected function tablesNeedUpdate()
     {
-        return ($this->getDatabaseVersion() < DB_VERSION);
+        return version_compare($this->getDatabaseVersion(), DB_VERSION, '<');
     }
 
     /**
diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
new file mode 100644
index 00000000..9932d23d
--- /dev/null
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
@@ -0,0 +1,271 @@
+<?php
+/*
+ * This file is a part of Mibew Messenger.
+ *
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Mibew\Maintenance;
+
+use Mibew\Database;
+
+/**
+ * Encapsulates update process.
+ */
+class Updater
+{
+    /**
+     * A minimum version Mibew can be updated from.
+     */
+    const MIN_VERSION = '2.0.0-beta.1';
+
+    /**
+     * Database instance.
+     *
+     * @var Database
+     */
+    protected $db = null;
+
+    /**
+     * List of errors.
+     *
+     * @var string[]
+     */
+    protected $errors = array();
+
+    /**
+     * List of log messages.
+     *
+     * @var string[]
+     */
+    protected $log = array();
+
+    /**
+     * Retuns list of all errors that took place during update process.
+     *
+     * @return string[]
+     */
+    public function getErrors()
+    {
+        return $this->errors;
+    }
+
+    /**
+     * Returns list of all information messages.
+     *
+     * @return string[]
+     */
+    public function getLog()
+    {
+        return $this->log;
+    }
+
+    /**
+     * Performs all actions that are needed to update database structure.
+     *
+     * @return boolean True if the system updated successfully and false
+     *   otherwise.
+     */
+    public function run()
+    {
+        $current_version = $this->getDatabaseVersion();
+
+        if (!preg_match("/^([0-9]{1,2}\.){2}[0-9]{1,2}(-beta\.[0-9]+)?$/", $current_version)) {
+            $this->errors[] = getlocal(
+                'The current version ({0}) is unknown or wrong formated',
+                array($current_version)
+            );
+
+            return false;
+        }
+
+        if (version_compare($current_version, self::MIN_VERSION) < 0) {
+            $this->errors[] = getlocal(
+                'You can update the system only from {0} and later versions. The current version is {1}',
+                array(
+                    self::MIN_VERSION,
+                    $current_version
+                )
+            );
+
+            return false;
+        }
+
+        // Get list of all available updates
+        $updates = $this->getUpdates();
+
+        // Check if updates should be performed
+        $versions = array_keys($updates);
+        $last_version = end($versions);
+        if (version_compare($current_version, $last_version) >= 0) {
+            $this->log[] = getlocal('The database is already up to date');
+
+            return true;
+        }
+
+        try {
+            // Perform incremental updates
+            foreach ($updates as $version => $method) {
+                if (version_compare($version, $current_version) <= 0) {
+                    // Skip updates to lower versions.
+                    continue;
+                }
+
+                // Run the update
+                if (!$this->{$method}()) {
+                    $this->errors[] = getlocal('Cannot update to {0}', array($version));
+
+                    return false;
+                }
+
+                // Store new version number in the database. With this info
+                // we can rerun the updating process if one of pending
+                // updates fails.
+                if (!$this->setDatabaseVersion($version)) {
+                    $this->errors[] = getlocal('Cannot store new version number');
+
+                    return false;
+                } else {
+                    $this->log[] = getlocal('Updated to {0}', array($version));
+                }
+
+                $current_version = $version;
+            }
+        } catch (\Exception $e) {
+            // Something went wrong
+            $this->errors[] = getlocal(
+                'Update failed: {0}',
+                array($e->getMessage())
+            );
+
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Returns initialized database object.
+     *
+     * @return \Mibew\Database|boolean A database class instance or boolean
+     *   false if something went wrong.
+     */
+    protected function getDatabase()
+    {
+        try {
+            $db = Database::getInstance();
+            $db->throwExeptions(true);
+
+            return $db;
+        } catch (\Exception $e) {
+            $this->errors[] = getlocal(
+                "Could not retrieve database instance. Error: {0}",
+                array($e->getMessage())
+            );
+
+            return false;
+        }
+    }
+
+    /**
+     * Gets version of existing database structure.
+     *
+     * If Mibew is not installed yet boolean false will be returned.
+     *
+     * @return int|boolean Database structure version or boolean false if the
+     *   version cannot be determined.
+     */
+    protected function getDatabaseVersion()
+    {
+        if (!($db = $this->getDatabase())) {
+            return false;
+        }
+
+        try {
+            $result = $db->query(
+                "SELECT vcvalue AS version FROM {config} WHERE vckey = :key LIMIT 1",
+                array(':key' => 'dbversion'),
+                array('return_rows' => Database::RETURN_ONE_ROW)
+            );
+        } catch (\Exception $e) {
+            return false;
+        }
+
+        if (!$result) {
+            // It seems that database structure version isn't stored in the
+            // database.
+            return '0.0.0';
+        }
+
+        return $result['version'];
+    }
+
+    /**
+     * Updates version of database tables tructure.
+     *
+     * @param string $version Current version
+     * @return boolean True if the version is set and false otherwise.
+     */
+    protected function setDatabaseVersion($version)
+    {
+        if (!($db = $this->getDatabase())) {
+            return false;
+        }
+
+        try {
+            return $db->query(
+                'UPDATE {config} SET vcvalue = :version WHERE vckey = :key LIMIT 1',
+                array(
+                    ':version' => $version,
+                    ':key' => 'dbversion',
+                )
+            );
+        } catch (\Exception $e) {
+            // The query fails by some reason.
+            return false;
+        }
+    }
+
+    /**
+     * Gets list of all available updates.
+     *
+     * @return array The keys of this array are version numbers and values are
+     *   methods of the {@link \Mibew\Maintenance\Updater} class that should be
+     *   performed.
+     */
+    protected function getUpdates()
+    {
+        $updates = array();
+
+        $self_reflection = new \ReflectionClass($this);
+        foreach ($self_reflection->getMethods() as $method_reflection) {
+            // Filter update methods
+            $name = $method_reflection->getName();
+            if (preg_match("/^update([0-9]+)(?:Beta([0-9]+))?$/", $name, $matches)) {
+                $version = Utils::formatVersionId($matches[1]);
+                // Check if a beta version is defined.
+                if (!empty($matches[2])) {
+                    $version .= '-beta.' . $matches[2];
+                }
+
+                $updates[$version] = $name;
+            }
+        }
+
+        uksort($updates, 'version_compare');
+
+        return $updates;
+    }
+}
diff --git a/src/mibew/libs/common/constants.php b/src/mibew/libs/common/constants.php
index 3587a7ab..b31c34a5 100644
--- a/src/mibew/libs/common/constants.php
+++ b/src/mibew/libs/common/constants.php
@@ -20,17 +20,17 @@
 /**
  * Current version of Mibew Messenger
  */
-define('MIBEW_VERSION', '2.0');
+define('MIBEW_VERSION', '2.0.0-beta.1');
 
 /**
  * Current version of database structure
  */
-define('DB_VERSION', 20000);
+define('DB_VERSION', '2.0.0-beta.1');
 
 /**
  * Current version of implemented features
  */
-define('FEATURES_VERSION', '2.0');
+define('FEATURES_VERSION', '2.0.0-beta.1');
 
 /**
  * Prefix for session variables.
diff --git a/src/mibew/styles/pages/default/css/default.css b/src/mibew/styles/pages/default/css/default.css
index bf5901eb..2e70734c 100644
--- a/src/mibew/styles/pages/default/css/default.css
+++ b/src/mibew/styles/pages/default/css/default.css
@@ -907,7 +907,7 @@ table.awaiting .no-threads, table.awaiting .no-visitors  {
 	z-index:101;  
 }  
 
-/* install */
+/* install/update */
 
 #install li {
 	list-style-type: circle;
@@ -933,6 +933,10 @@ table.awaiting .no-threads, table.awaiting .no-visitors  {
     font-weight: bold;
 }
 
+#install .error {
+    color: #c13030;
+}
+
 /* chat */
 
 .message {
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/update_intro.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/update_intro.handlebars
new file mode 100644
index 00000000..589a4355
--- /dev/null
+++ b/src/mibew/styles/pages/default/templates_src/server_side/update_intro.handlebars
@@ -0,0 +1,29 @@
+{{#extends "_layout"}}
+    {{#override "content"}}
+        {{l10n "Follow the wizard to update your database."}}
+
+        <br/>
+        <br/>
+        <div id="install">
+            <div class="mform">
+                <div class="formtop">
+                    <div class="formtopi"></div>
+                </div>
+
+                <div class="forminner">
+                    <ol>
+                        <li>{{l10n "Backup the database"}}</li>
+                        <li>{{l10n "Backup the code"}}</li>
+                        <li>{{l10n "Replace all files with ones from the new version"}}</li>
+                        <li>{{l10n "Update configs file if needed"}}</li>
+                        <li>{{l10n "Run the <a href=\"{0}\">update wizard</a>" (route "update_run")}}</li>
+                    </ol>
+                </div>
+
+                <div class="formbottom">
+                    <div class="formbottomi"></div>
+                </div>
+            </div>
+        </div>
+    {{/override}}
+{{/extends}}
\ No newline at end of file
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/update_progress.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/update_progress.handlebars
new file mode 100644
index 00000000..a9cfb07c
--- /dev/null
+++ b/src/mibew/styles/pages/default/templates_src/server_side/update_progress.handlebars
@@ -0,0 +1,50 @@
+{{#extends "_layout"}}
+    {{#if localeLinks}}
+        {{#override "menu"}}{{> _locales}}{{/override}}
+    {{/if}}
+
+    {{#override "content"}}
+        {{l10n "Follow the wizard to update your database."}}
+
+        <br/>
+        <br/>
+
+        <div id="install">
+            <div class="mform">
+                <div class="formtop">
+                    <div class="formtopi"></div>
+                </div>
+
+                <div class="forminner">
+                    {{#ifAny done errors}}
+                        {{l10n "Progress:"}}
+                        <ul>
+                            {{#each done}}
+                                <li>{{{this}}}</li>
+                            {{/each}}
+                            {{#each errors}}
+                                <li class="error">{{{this}}}</li>
+                            {{/each}}
+                        </ul>
+                        <br />
+                    {{/ifAny}}
+
+                    {{#if errors}}
+                        <b>{{l10n "Update failed."}}</b><br />
+                        {{l10n "You can try to restore database from the backup and run the update wizard again."}}
+                    {{else}}
+                        <b>{{l10n "Application successfully updated."}}</b> {{l10n "Go to <a href=\"{0}\">home page</a>" (route "home")}}
+                    {{/if}}
+                </div>
+
+                <div class="formbottom">
+                    <div class="formbottomi"></div>
+                </div>
+            </div>
+        </div>
+
+        {{#if errors}}
+
+        {{/if}}
+    {{/override}}
+{{/extends}}
\ No newline at end of file