diff --git a/phpBB/adm/style/acp_main.html b/phpBB/adm/style/acp_main.html
index 4718869d73..192d2e50f5 100644
--- a/phpBB/adm/style/acp_main.html
+++ b/phpBB/adm/style/acp_main.html
@@ -14,6 +14,22 @@
 
 	<p>{L_ADMIN_INTRO}</p>
 
+	<!-- IF S_VERSIONCHECK_FAIL -->
+		<div class="errorbox notice">
+			<p>{L_VERSIONCHECK_FAIL} - <a href="{U_VERSIONCHECK_FORCE}">{L_VERSIONCHECK_FORCE_UPDATE}</a> - <a href="{U_VERSIONCHECK}">{L_MORE}</a></p>
+		</div>
+	<!-- ELSE -->
+		<!-- IF S_VERSION_UP_TO_DATE -->
+			<div class="successbox">
+				<p>{L_VERSION_UP_TO_DATE_ACP} - <a href="{U_VERSIONCHECK_FORCE}">{L_VERSIONCHECK_FORCE_UPDATE}</a> - <a href="{U_VERSIONCHECK}">{L_MORE}</a></p>
+			</div>
+		<!-- ELSE -->
+			<div class="errorbox">
+				<p>{L_VERSION_NOT_UP_TO_DATE_ACP} - <a href="{U_VERSIONCHECK_FORCE}">{L_VERSIONCHECK_FORCE_UPDATE}</a> - <a href="{U_VERSIONCHECK}">{L_MORE}</a></p>
+			</div>
+		<!-- ENDIF -->
+	<!-- ENDIF -->
+
 	<!-- IF S_REMOVE_INSTALL -->
 		<div class="errorbox">
 			<h3>{L_WARNING}</h3>
diff --git a/phpBB/adm/style/acp_update.html b/phpBB/adm/style/acp_update.html
index e82aee0e87..34d4f6934e 100644
--- a/phpBB/adm/style/acp_update.html
+++ b/phpBB/adm/style/acp_update.html
@@ -10,11 +10,11 @@
 
 	<!-- IF S_UP_TO_DATE and S_UP_TO_DATE_AUTO -->
 		<div class="successbox">
-			<p>{L_VERSION_UP_TO_DATE_ACP}</p>
+			<p>{L_VERSION_UP_TO_DATE_ACP} - <a href="{U_VERSIONCHECK_FORCE}">{L_VERSIONCHECK_FORCE_UPDATE}</a></p>
 		</div>
 	<!-- ELSE -->
 		<div class="errorbox">
-			<p>{L_VERSION_NOT_UP_TO_DATE_ACP}</p>
+			<p>{L_VERSION_NOT_UP_TO_DATE_ACP} - <a href="{U_VERSIONCHECK_FORCE}">{L_VERSIONCHECK_FORCE_UPDATE}</a></p>
 		</div>
 	<!-- ENDIF -->
 
diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 93cafef1bd..a9f68729e2 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -201,6 +201,7 @@
 		<li>[Change] Add confirm-box when deleting permissions (Bug #13673 - Patch by nickvergessen)</li>
 		<li>[Change] Add pagination for icons and smilies in the ACP and smilies in the smiley popup</li>
 		<li>[Change] Cache get_username_string() function calls on viewtopic.</li>
+		<li>[Change] Cache version check.</li>
 		<li>[Feature] Add language selection on the registration terms page (Bug #15085 - Patch by leviatan21)</li>
 		<li>[Feature] Backported 3.2 captcha plugins.
 			<ul>
@@ -247,6 +248,7 @@
 				<li>Show date of last reminder sent to user.</li>
 			</ul>
 		</li>
+		<li>[Feature] Display version check on ACP main page.</li>
 	</ul>
 
 	<a name="v304"></a><h3>1.ii. Changes since 3.0.4</h3>
diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index f9d611f8db..8a5918b558 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -395,6 +395,25 @@ class acp_main
 			}
 		}
 
+		// Version check
+		$user->add_lang('install');
+
+		$latest_version_info = false;
+		if (($latest_version_info = obtain_latest_version_info(request_var('versioncheck_force', false))) === false)
+		{
+			$template->assign_var('S_VERSIONCHECK_FAIL', true);
+		}
+		else
+		{
+			$latest_version_info = explode("\n", $latest_version_info);
+			$latest_version = trim($latest_version_info[0]);
+			$template->assign_var('S_VERSION_UP_TO_DATE',
+					version_compare(
+							str_replace('rc', 'RC', strtolower($config['version'])),
+							str_replace('rc', 'RC', strtolower($latest_version)),
+							'<') ? false : true);
+		}
+
 		// Get forum statistics
 		$total_posts = $config['num_posts'];
 		$total_topics = $config['num_topics'];
@@ -492,6 +511,8 @@ class acp_main
 			'U_ACTION'			=> $this->u_action,
 			'U_ADMIN_LOG'		=> append_sid("{$phpbb_admin_path}index.$phpEx", 'i=logs&amp;mode=admin'),
 			'U_INACTIVE_USERS'	=> append_sid("{$phpbb_admin_path}index.$phpEx", 'i=inactive&amp;mode=list'),
+			'U_VERSIONCHECK'	=> append_sid("{$phpbb_admin_path}index.$phpEx", 'i=update&amp;mode=version_check'),
+			'U_VERSIONCHECK_FORCE'	=> append_sid("{$phpbb_admin_path}index.$phpEx", 'i=1&amp;versioncheck_force=1'),
 
 			'S_ACTION_OPTIONS'	=> ($auth->acl_get('a_board')) ? true : false,
 			'S_FOUNDER'			=> ($user->data['user_type'] == USER_FOUNDER) ? true : false,
diff --git a/phpBB/includes/acp/acp_update.php b/phpBB/includes/acp/acp_update.php
index dbb25bdbbd..121c72aeb3 100644
--- a/phpBB/includes/acp/acp_update.php
+++ b/phpBB/includes/acp/acp_update.php
@@ -37,12 +37,7 @@ class acp_update
 		$errstr = '';
 		$errno = 0;
 
-		$info = get_remote_file('www.phpbb.com', '/updatecheck', ((defined('PHPBB_QA')) ? '30x_qa.txt' : '30x.txt'), $errstr, $errno);
-
-		if ($info === false)
-		{
-			trigger_error($errstr, E_USER_WARNING);
-		}
+		$info = obtain_latest_version_info(request_var('versioncheck_force', false), true);
 
 		$info = explode("\n", $info);
 		$latest_version = trim($info[0]);
@@ -68,6 +63,7 @@ class acp_update
 			'S_UP_TO_DATE_AUTO'	=> $up_to_date_automatic,
 			'S_VERSION_CHECK'	=> true,
 			'U_ACTION'			=> $this->u_action,
+			'U_VERSIONCHECK_FORCE' => append_sid($this->u_action . '&amp;versioncheck_force=1'),
 
 			'LATEST_VERSION'	=> $latest_version,
 			'CURRENT_VERSION'	=> $config['version'],
diff --git a/phpBB/includes/functions_admin.php b/phpBB/includes/functions_admin.php
index 8fc895efdc..afd00f88bf 100644
--- a/phpBB/includes/functions_admin.php
+++ b/phpBB/includes/functions_admin.php
@@ -3054,4 +3054,43 @@ function add_permission_language()
 	return true;
 }
 
+/**
+ * Obtains the latest version information
+ *
+ * @param bool $force_update Ignores cached data. Defaults to false.
+ * @param bool $warn_fail Trigger a warning if obtaining the latest version information fails. Defaults to false.
+ * @param int $ttl Cache version information for $ttl seconds. Defaults to 86400 (24 hours).
+ *
+ * @return string | false Version info on success, false on failure.
+ */
+function obtain_latest_version_info($force_update = false, $warn_fail = false, $ttl = 86400)
+{
+	global $cache;
+
+	$info = $cache->get('versioncheck');
+
+	if ($info === false || $force_update)
+	{
+		$errstr = '';
+		$errno = 0;
+
+		$info = get_remote_file('www.phpbb.com', '/updatecheck',
+				((defined('PHPBB_QA')) ? '30x_qa.txt' : '30x.txt'), $errstr, $errno);
+
+		if ($info === false)
+		{
+			$cache->destroy('versioncheck');
+			if ($warn_fail)
+			{
+				trigger_error($errstr, E_USER_WARNING);
+			}
+			return false;
+		}
+
+		$cache->put('versioncheck', $info, $ttl);
+	}
+
+	return $info;
+}
+
 ?>
\ No newline at end of file
diff --git a/phpBB/language/en/acp/common.php b/phpBB/language/en/acp/common.php
index af0a61fd32..47ce59183f 100644
--- a/phpBB/language/en/acp/common.php
+++ b/phpBB/language/en/acp/common.php
@@ -249,6 +249,7 @@ $lang = array_merge($lang, array(
 
 	'MANAGE'				=> 'Manage',
 	'MENU_TOGGLE'			=> 'Hide or display the side menu',
+	'MORE'					=> 'More &raquo;',
 	'MOVE_DOWN'				=> 'Move down',
 	'MOVE_UP'				=> 'Move up',
 
@@ -374,9 +375,11 @@ $lang = array_merge($lang, array(
 	'UPLOAD_DIR_SIZE'	=> 'Size of posted attachments',
 	'USERS_PER_DAY'		=> 'Users per day',
 
-	'VALUE'					=> 'Value',
-	'VIEW_ADMIN_LOG'		=> 'View administrator log',
-	'VIEW_INACTIVE_USERS'	=> 'View inactive users',
+	'VALUE'						=> 'Value',
+	'VERSIONCHECK_FAIL'			=> 'Failed to obtain latest version',
+	'VERSIONCHECK_FORCE_UPDATE'	=> 'Re-Check version',
+	'VIEW_ADMIN_LOG'			=> 'View administrator log',
+	'VIEW_INACTIVE_USERS'		=> 'View inactive users',
 
 	'WELCOME_PHPBB'			=> 'Welcome to phpBB',
 	'WRITABLE_CONFIG'		=> 'Your config file (config.php) is currently world-writable. We strongly encourage you to change the permissions to 640 or at least to 644 (for example: <a href="http://en.wikipedia.org/wiki/Chmod" rel="external">chmod</a> 640 config.php).',