#!/usr/bin/python
# -*- coding: utf-8 -*-

import pymssql

host='server3'
user='auto'
password='auto'
conn = pymssql.connect([host, user, password])
cur = conn.cursor()

Traceback (most recent call last):
  File "C:\sirius\test.py", line 46, in <module>
    main()
  File "C:\sirius\test.py", line 36, in main
    conn = pymssql.connect([host, user, password])
  File "C:\Python26\lib\site-packages\pymssql.py", line 607, in connect
    raise OperationalError, e[0]
OperationalError: DB-Lib error message 10004, severity 9:
Unable to connect: SQL Server is unavailable or does not exist.  Unable to connect: SQL Server does not exist or network access denied.
Net-Lib error during ConnectionOpen (Connect()). Error 2 - Не удается найти указанный файл.