Throw DB connection errors for SQL Server

system/Database/SQLSRV/Connection.php

@@ -103,7 +103,10 @@ public function __construct($params)
 	/**
 	 * Connect to the database.
 	 *
-	 * @param  boolean $persistent
+	 * @param boolean $persistent
+	 *
+	 * @throws DatabaseException
+	 *
 	 * @return mixed
 	 */
 	public function connect(bool $persistent = false)
@@ -127,9 +130,11 @@ public function connect(bool $persistent = false)
 			unset($connection['UID'], $connection['PWD']);
 		}
 
-		if (false !== ($this->connID = sqlsrv_connect($this->hostname, $connection)))
+		$this->connID = sqlsrv_connect($this->hostname, $connection);
+
+		if ($this->connID !== false)
 		{
-			/* Disable warnings as errors behavior. */
+			// Disable warnings as errors behavior.
 			sqlsrv_configure('WarningsReturnAsErrors', 0);
 
 			// Determine how identifiers are escaped
@@ -138,9 +143,14 @@ public function connect(bool $persistent = false)
 
 			$this->_quoted_identifier = empty($query) ? false : (bool) $query[0]->qi;
 			$this->escapeChar         = ($this->_quoted_identifier) ? '"' : ['[', ']'];
+
+			return $this->connID;
 		}
 
-		return $this->connID;
+		$error   = $this->error();
+		$message = preg_replace('/(\[.+\]\[.+\](?:\[.+\])?)(.+)/', '$2', $error['message']);
+
+		throw new DatabaseException($message);
 	}
 
 	/**