1 files changed, 8 insertions, 0 deletions
diff --git a/phpBB/includes/db/mssql.php b/phpBB/includes/db/mssql.php
index bc0a870885..3792e82aa0 100644
--- a/phpBB/includes/db/mssql.php
+++ b/phpBB/includes/db/mssql.php
@@ -25,11 +25,19 @@ include_once($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
 */
 class dbal_mssql extends dbal
 {
+	var $connect_error = '';
+
 	/**
 	* Connect to server
 	*/
 	function sql_connect($sqlserver, $sqluser, $sqlpassword, $database, $port = false, $persistency = false, $new_link = false)
 	{
+		if (!function_exists('mssql_connect'))
+		{
+			$this->connect_error = 'mssql_connect function does not exist, is mssql extension installed?';
+			return $this->sql_error('');
+		}
+
 		$this->persistency = $persistency;
 		$this->user = $sqluser;
 		$this->dbname = $database;