diff --git a/interface/web/sites/database_edit.php b/interface/web/sites/database_edit.php
index 088e37a3b6c9f3cdeff442e3ed8b8a5be6b1ef0e..2fb8a05189c2ddc1fca97e5ccb7b146b7feb6b8e 100644
--- a/interface/web/sites/database_edit.php
+++ b/interface/web/sites/database_edit.php
@@ -255,6 +255,9 @@ class page_action extends tform_actions {
 			}
 		}
 		unset($old_record);
+		
+		if(strlen($dbname_prefix . $this->dataRecord['database_name']) > 64) $app->tform->errorMessage .= str_replace('{db}',$dbname_prefix . $this->dataRecord['database_name'],$app->tform->wordbook["database_name_error_len"]).'<br />';
+		if(strlen($dbuser_prefix . $this->dataRecord['database_user']) > 16) $app->tform->errorMessage .= str_replace('{user}',$dbuser_prefix . $this->dataRecord['database_user'],$app->tform->wordbook["database_user_error_len"]).'<br />';
 
 		if ($app->tform->errorMessage == ''){
 			/* restrict the names if there is no error */
@@ -278,11 +281,17 @@ class page_action extends tform_actions {
 		$global_config = $app->getconf->get_global_config('sites');
 		$dbname_prefix = replacePrefix($global_config['dbname_prefix'], $this->dataRecord);
 		$dbuser_prefix = replacePrefix($global_config['dbuser_prefix'], $this->dataRecord);
+		
+		if(strlen($dbname_prefix . $this->dataRecord['database_name']) > 64) $app->tform->errorMessage .= str_replace('{db}',$dbname_prefix . $this->dataRecord['database_name'],$app->tform->wordbook["database_name_error_len"]).'<br />';
+		if(strlen($dbuser_prefix . $this->dataRecord['database_user']) > 16) $app->tform->errorMessage .= str_replace('{user}',$dbuser_prefix . $this->dataRecord['database_user'],$app->tform->wordbook["database_user_error_len"]).'<br />';
+
 
 		/* restrict the names */
         /* crop user and db names if they are too long -> mysql: user: 16 chars / db: 64 chars */
-		$this->dataRecord['database_name'] = substr($dbname_prefix . $this->dataRecord['database_name'], 0, 64);
-		$this->dataRecord['database_user'] = substr($dbuser_prefix . $this->dataRecord['database_user'], 0, 16);
+		if ($app->tform->errorMessage == ''){
+			$this->dataRecord['database_name'] = substr($dbname_prefix . $this->dataRecord['database_name'], 0, 64);
+			$this->dataRecord['database_user'] = substr($dbuser_prefix . $this->dataRecord['database_user'], 0, 16);
+		}
 
 		parent::onBeforeInsert();
 	}
diff --git a/interface/web/sites/lib/lang/en_database.lng b/interface/web/sites/lib/lang/en_database.lng
index 555511af3a3fcf5914e7c688c7ae7a7fa1fc104a..48d7ea3b148dbc621e4909af85368373d12ea434 100644
--- a/interface/web/sites/lib/lang/en_database.lng
+++ b/interface/web/sites/lib/lang/en_database.lng
@@ -20,4 +20,6 @@ $wb["database_user_error_regex"] = 'Invalid database user name. The username may
 $wb["limit_database_txt"] = 'The max. number of databases is reached.';
 $wb["database_name_change_txt"] = 'The database name can not be changed';
 $wb["database_charset_change_txt"] = 'The database charset can not be changed';
+$wb["database_name_error_len"] = 'Database name - {db} - too long. The max. database name length incl. prefix is 64 chars.';
+$wb["database_user_error_len"] = 'Database username - {user}- too long. The max. database username length incl. prefix is 16 chars.';
 ?>