diff --git a/application/itopwebpage.class.inc.php b/application/itopwebpage.class.inc.php
index 559600b41..2d4f5d16a 100644
--- a/application/itopwebpage.class.inc.php
+++ b/application/itopwebpage.class.inc.php
@@ -734,10 +734,11 @@ EOF
 				$sRestrictions = Dict::S('UI:AccessRO-Users');
 		}
 
+		$sApplicationBanner = '';
 		if (strlen($sRestrictions) > 0)
 		{
 			$sAdminMessage = trim(MetaModel::GetConfig()->Get('access_message'));
-			$sApplicationBanner = '<div id="admin-banner">';
+			$sApplicationBanner .= '<div id="admin-banner">';
 			$sApplicationBanner .= '<img src="../images/locked.png" style="vertical-align:middle;">';
 			$sApplicationBanner .= '&nbsp;<b>'.$sRestrictions.'</b>';
 			if (strlen($sAdminMessage) > 0)
@@ -746,13 +747,21 @@ EOF
 			}
 			$sApplicationBanner .= '</div>';
 		}
-		else if(strlen($this->m_sMessage))
+
+		if(strlen($this->m_sMessage))
 		{
-			$sApplicationBanner = '<div id="admin-banner"><span style="padding:5px;">'.$this->m_sMessage.'<span></div>';
+			$sApplicationBanner .= '<div id="admin-banner"><span style="padding:5px;">'.$this->m_sMessage.'<span></div>';
 		}
-		else
+
+		$sEnvironment = utils::GetCurrentEnvironment();
+		if($sEnvironment != 'production')
 		{
-			$sApplicationBanner = '';
+			$sEnvLabel = trim(MetaModel::GetConfig()->Get('app_env_label'));
+			if (strlen($sEnvLabel) == 0)
+			{
+				$sEnvLabel = $sEnvironment;
+			}
+			$sApplicationBanner .= '<div id="admin-banner"><span style="padding:5px;">'.Dict::Format('UI:ApplicationEnvironment', $sEnvLabel).'<span></div>';
 		}
 
 		$sOnlineHelpUrl = MetaModel::GetConfig()->Get('online_help');
diff --git a/core/config.class.inc.php b/core/config.class.inc.php
index bf0786d8f..befcd0f16 100644
--- a/core/config.class.inc.php
+++ b/core/config.class.inc.php
@@ -84,6 +84,14 @@ class Config
 	// New way to store the settings !
 	//
 	protected $m_aSettings = array(
+		'app_env_label' => array(
+			'type' => 'string',
+			'description' => 'Label displayed to describe the current application environnment, defaults to the environment name (e.g. "production")',
+			'default' => '',
+			'value' => '',
+			'source_of_value' => '',
+			'show_in_conf_sample' => true,
+		),
 		'app_root_url' => array(
 			'type' => 'string',
 			'description' => 'Root URL used for navigating within the application, or from an email to the application (you can put $SERVER_NAME$ as a placeholder for the server\'s name)',
@@ -1334,5 +1342,107 @@ class Config
 		}
 		return $aResult;
 	}
+
+	/**
+	 * Helper function to initialize a configuration from the page arguments
+	 */
+	public function UpdateFromParams($aParamValues, $sModulesDir = null)
+	{
+		if (isset($aParamValues['application_path']))
+		{
+			$this->Set('app_root_url', $aParamValues['application_path']);
+		}
+		if (isset($aParamValues['mode']) && isset($aParamValues['language']))
+		{
+			if (($aParamValues['mode'] == 'install') ||  $this->GetDefaultLanguage() == '')
+			{
+				$this->SetDefaultLanguage($aParamValues['language']);
+			}
+		}
+		if (isset($aParamValues['db_server']))
+		{
+			$this->SetDBHost($aParamValues['db_server']);
+			$this->SetDBUser($aParamValues['db_user']);
+			$this->SetDBPwd($aParamValues['db_pwd']);
+			$sDBName = $aParamValues['db_name'];
+			if ($sDBName == '')
+			{
+				$sDBName = $aParamValues['new_db_name'];
+			}
+			$this->SetDBName($sDBName);
+			$this->SetDBSubname($aParamValues['db_prefix']);
+		}
+	
+		if (!is_null($sModulesDir))
+		{
+			if (isset($aParamValues['selected_modules']))
+			{
+				$aSelectedModules = explode(',', $aParamValues['selected_modules']);
+			}
+			else
+			{
+				$aSelectedModules = null;
+			}
+	
+			// Initialize the arrays below with default values for the application...
+			$oEmptyConfig = new Config('dummy_file', false); // Do NOT load any config file, just set the default values
+			$aAddOns = $oEmptyConfig->GetAddOns();
+			$aAppModules = $oEmptyConfig->GetAppModules();
+			$aDataModels = $oEmptyConfig->GetDataModels();
+			$aWebServiceCategories = $oEmptyConfig->GetWebServiceCategories();
+			$aDictionaries = $oEmptyConfig->GetDictionaries();
+			// Merge the values with the ones provided by the modules
+			// Make sure when don't load the same file twice...
+	
+			$aModules = ModuleDiscovery::GetAvailableModules(APPROOT, $sModulesDir);
+			foreach($aModules as $sModuleId => $aModuleInfo)
+			{
+				list($sModuleName, $sModuleVersion) = ModuleDiscovery::GetModuleName($sModuleId);
+				if (is_null($aSelectedModules) || in_array($sModuleName, $aSelectedModules))
+				{
+					if (isset($aModuleInfo['datamodel']))
+					{
+						$aDataModels = array_unique(array_merge($aDataModels, $aModuleInfo['datamodel']));
+					}
+					if (isset($aModuleInfo['webservice']))
+					{
+						$aWebServiceCategories = array_unique(array_merge($aWebServiceCategories, $aModuleInfo['webservice']));
+					}
+					if (isset($aModuleInfo['dictionary']))
+					{
+						$aDictionaries = array_unique(array_merge($aDictionaries, $aModuleInfo['dictionary']));
+					}
+					if (isset($aModuleInfo['settings']))
+					{
+						foreach($aModuleInfo['settings'] as $sProperty => $value)
+						{
+							list($sName, $sVersion) = ModuleDiscovery::GetModuleName($sModuleId);
+							$this->SetModuleSetting($sName, $sProperty, $value);
+						}
+					}
+					if (isset($aModuleInfo['installer']))
+					{
+						$sModuleInstallerClass = $aModuleInfo['installer'];
+						if (!class_exists($sModuleInstallerClass))
+						{
+							throw new Exception("Wrong installer class: '$sModuleInstallerClass' is not a PHP class - Module: ".$aModuleInfo['label']);
+						}
+						if (!is_subclass_of($sModuleInstallerClass, 'ModuleInstallerAPI'))
+						{
+							throw new Exception("Wrong installer class: '$sModuleInstallerClass' is not derived from 'ModuleInstallerAPI' - Module: ".$aModuleInfo['label']);
+						}
+						$aCallSpec = array($sModuleInstallerClass, 'BeforeWritingConfig');
+						call_user_func_array($aCallSpec, array($this));
+					}
+				}
+			}
+			$this->SetAddOns($aAddOns);
+			$this->SetAppModules($aAppModules);
+			$this->SetDataModels($aDataModels);
+			$this->SetWebServiceCategories($aWebServiceCategories);
+			$this->SetDictionaries($aDictionaries);
+		}
+	}
+
 }
 ?>
diff --git a/dictionaries/dictionary.itop.ui.php b/dictionaries/dictionary.itop.ui.php
index 12f2568be..59f2041c9 100644
--- a/dictionaries/dictionary.itop.ui.php
+++ b/dictionaries/dictionary.itop.ui.php
@@ -480,6 +480,7 @@ Dict::Add('EN US', 'English', 'English', array(
 	'UI:Login:PasswordChanged' => 'Password successfully set !',
 	'UI:AccessRO-All' => 'iTop is read-only',
 	'UI:AccessRO-Users' => 'iTop is read-only for end-users',
+	'UI:ApplicationEnvironment' => 'Application environment: %1$s',
 	'UI:Login:RetypePwdDoesNotMatch' => 'New password and retyped new password do not match !',
 	'UI:Button:Login' => 'Enter iTop',
 	'UI:Login:Error:AccessRestricted' => 'iTop access is restricted. Please, contact an iTop administrator.',
diff --git a/dictionaries/fr.dictionary.itop.ui.php b/dictionaries/fr.dictionary.itop.ui.php
index 94833f0d5..881e0b213 100644
--- a/dictionaries/fr.dictionary.itop.ui.php
+++ b/dictionaries/fr.dictionary.itop.ui.php
@@ -358,6 +358,7 @@ Dict::Add('FR FR', 'French', 'Français', array(
 	'UI:Login:PasswordChanged' => 'Mot de passe mis à jour !',
 	'UI:AccessRO-All' => 'iTop est en lecture seule',
 	'UI:AccessRO-Users' => 'iTop est en lecture seule pour les utilisateurs finaux',
+	'UI:ApplicationEnvironment' => 'Environnement applicatif: %1$s',
 	'UI:Login:RetypePwdDoesNotMatch' => 'Les deux saisies du nouveau mot de passe ne sont pas identiques !',
 	'UI:Button:Login' => 'Entrer dans iTop',
 	'UI:Login:Error:AccessRestricted' => 'L\'accès à iTop est soumis à autorisation. Merci de contacter votre administrateur iTop.',
diff --git a/setup/ajax.dataloader.php b/setup/ajax.dataloader.php
index 87a35ac8f..27419b7eb 100644
--- a/setup/ajax.dataloader.php
+++ b/setup/ajax.dataloader.php
@@ -211,7 +211,7 @@ try
 			'db_prefix' => utils::ReadParam('db_prefix', '', false, 'raw_data')
 		);
 		$sModuleDir = Utils::ReadParam('modules_dir', '');
-		UpdateConfigSettings($oConfig, $aParamValues, $sModuleDir);
+		$oConfig->UpdateFromParams($aParamValues, $sModuleDir);
 
 		InitDataModel($oConfig, true);  // load data model only
 
@@ -240,7 +240,7 @@ try
 			'db_prefix' => utils::ReadParam('db_prefix', '', false, 'raw_data')
 		);
 		$sModuleDir = Utils::ReadParam('modules_dir', '');
-		UpdateConfigSettings($oConfig, $aParamValues, $sModuleDir);
+		$oConfig->UpdateFromParams($aParamValues, $sModuleDir);
 
 		InitDataModel($oConfig, false);  // load data model and connect to the database
 
@@ -310,7 +310,7 @@ try
 			'db_prefix' => utils::ReadParam('db_prefix', '', false, 'raw_data')
 		);
 		$sModuleDir = Utils::ReadParam('modules_dir', '');
-		UpdateConfigSettings($oConfig, $aParamValues, $sModuleDir);
+		$oConfig->UpdateFromParams($aParamValues, $sModuleDir);
 
 		InitDataModel($oConfig, false);  // load data model and connect to the database
 
diff --git a/setup/index.php b/setup/index.php
index 0fdff45f6..174a24cfb 100644
--- a/setup/index.php
+++ b/setup/index.php
@@ -1369,7 +1369,7 @@ function SetupFinished(SetupPage $oP, $aParamValues, $iCurrentStep, Config $oCon
 		$oConfig->SetDBCollation('utf8_unicode_ci');
 		
 		// Final config update: add the modules
-		UpdateConfigSettings($oConfig, $aParamValues, $aParamValues['target_dir']);
+		$oConfig->UpdateFromParams($aParamValues, $aParamValues['target_dir']);
 
 		// Make sure the root configuration directory exists
 		if (!file_exists(APPCONF))
@@ -1532,7 +1532,7 @@ else
 }
 
 $oConfig = new Config();
-UpdateConfigSettings($oConfig, $aParamValues);
+$oConfig->UpdateFromParams($aParamValues);
 
 try
 {
diff --git a/setup/setuppage.class.inc.php b/setup/setuppage.class.inc.php
index 127ad1387..c78a12996 100644
--- a/setup/setuppage.class.inc.php
+++ b/setup/setuppage.class.inc.php
@@ -285,108 +285,6 @@ h3.clickable.open {
 } // End of class
 
 
-/**
- * Helper function to initialize a configuration from the page arguments
- */
-function UpdateConfigSettings(&$oConfig, $aParamValues, $sModulesDir = null)
-{
-	if (isset($aParamValues['application_path']))
-	{
-		$oConfig->Set('app_root_url', $aParamValues['application_path']);
-	}
-	if (isset($aParamValues['mode']) && isset($aParamValues['language']))
-	{
-		if (($aParamValues['mode'] == 'install') ||  $oConfig->GetDefaultLanguage() == '')
-		{
-			$oConfig->SetDefaultLanguage($aParamValues['language']);
-		}
-	}
-	if (isset($aParamValues['db_server']))
-	{
-		$oConfig->SetDBHost($aParamValues['db_server']);
-		$oConfig->SetDBUser($aParamValues['db_user']);
-		$oConfig->SetDBPwd($aParamValues['db_pwd']);
-		$sDBName = $aParamValues['db_name'];
-		if ($sDBName == '')
-		{
-			$sDBName = $aParamValues['new_db_name'];
-		}
-		$oConfig->SetDBName($sDBName);
-		$oConfig->SetDBSubname($aParamValues['db_prefix']);
-	}
-
-	if (!is_null($sModulesDir))
-	{
-		if (isset($aParamValues['selected_modules']))
-		{
-			$aSelectedModules = explode(',', $aParamValues['selected_modules']);
-		}
-		else
-		{
-			$aSelectedModules = null;
-		}
-
-		// Initialize the arrays below with default values for the application...
-		$oEmptyConfig = new Config('dummy_file', false); // Do NOT load any config file, just set the default values
-		$aAddOns = $oEmptyConfig->GetAddOns();
-		$aAppModules = $oEmptyConfig->GetAppModules();
-		$aDataModels = $oEmptyConfig->GetDataModels();
-		$aWebServiceCategories = $oEmptyConfig->GetWebServiceCategories();
-		$aDictionaries = $oEmptyConfig->GetDictionaries();
-		// Merge the values with the ones provided by the modules
-		// Make sure when don't load the same file twice...
-
-		$aModules = ModuleDiscovery::GetAvailableModules(APPROOT, $sModulesDir);
-		foreach($aModules as $sModuleId => $aModuleInfo)
-		{
-			list($sModuleName, $sModuleVersion) = ModuleDiscovery::GetModuleName($sModuleId);
-			if (is_null($aSelectedModules) || in_array($sModuleName, $aSelectedModules))
-			{
-				if (isset($aModuleInfo['datamodel']))
-				{
-					$aDataModels = array_unique(array_merge($aDataModels, $aModuleInfo['datamodel']));
-				}
-				if (isset($aModuleInfo['webservice']))
-				{
-					$aWebServiceCategories = array_unique(array_merge($aWebServiceCategories, $aModuleInfo['webservice']));
-				}
-				if (isset($aModuleInfo['dictionary']))
-				{
-					$aDictionaries = array_unique(array_merge($aDictionaries, $aModuleInfo['dictionary']));
-				}
-				if (isset($aModuleInfo['settings']))
-				{
-					foreach($aModuleInfo['settings'] as $sProperty => $value)
-					{
-						list($sName, $sVersion) = ModuleDiscovery::GetModuleName($sModuleId);
-						$oConfig->SetModuleSetting($sName, $sProperty, $value);
-					}
-				}
-				if (isset($aModuleInfo['installer']))
-				{
-					$sModuleInstallerClass = $aModuleInfo['installer'];
-					if (!class_exists($sModuleInstallerClass))
-					{
-						throw new Exception("Wrong installer class: '$sModuleInstallerClass' is not a PHP class - Module: ".$aModuleInfo['label']);
-					}
-					if (!is_subclass_of($sModuleInstallerClass, 'ModuleInstallerAPI'))
-					{
-						throw new Exception("Wrong installer class: '$sModuleInstallerClass' is not derived from 'ModuleInstallerAPI' - Module: ".$aModuleInfo['label']);
-					}
-					$aCallSpec = array($sModuleInstallerClass, 'BeforeWritingConfig');
-					$oConfig = call_user_func_array($aCallSpec, array($oConfig));
-				}
-			}
-		}
-		$oConfig->SetAddOns($aAddOns);
-		$oConfig->SetAppModules($aAppModules);
-		$oConfig->SetDataModels($aDataModels);
-		$oConfig->SetWebServiceCategories($aWebServiceCategories);
-		$oConfig->SetDictionaries($aDictionaries);
-	}
-}
-
-
 
 /**
  * Helper function to initialize the ORM and load the data model