Error 28000: Login failed for user DOMAIN\\user with pyodbc

Question

I am trying to use Python to connect to a SQL database by using Window authentication. I looked at some of the posts here (e.g., here), but the suggested methods didn\'t see

Answer 1

Trusted_connection=no did not helped me. When i removed entire line and added UID, PWD parameter it worked. My takeaway from this is remove

Answer 2

import pyodbc   #For python3 MSSQL

cnxn = pyodbc.connect("Driver={SQL Server};"   #For Connection
                   "Server=192.168.0.***;"
                   "PORT=1433;"
                   "Database=***********;"
                   "UID=****;"
                   "PWD=********;")
cursor = cnxn.cursor()                        #Cursor Establishment
cursor.execute('select site_id from tableName')   #Execute Query

rs = cursor.fetchall() 
print(rs)

Answer 3

I had similar issue while connecting to the default database (MSSQLSERVER). If you are connecting to the default database, please remove the

database='DATABASENAME',

line from the connection parameters section and retry.

Cheers, Deepak

Answer 4

A slightly different use case than the OP, but for those interested it is possible to connect to a MS SQL Server database using Windows Authentication for a different user account than the one logged in.

This can be achieved using the python jaydebeapi module with the JDBC JTDS driver. See my answer here for details.

Answer 5

I tried everything and this is what eventually worked for me:

import pyodbc
driver= '{SQL Server Native Client 11.0}'

cnxn = pyodbc.connect(
    Trusted_Connection='Yes',
    Driver='{ODBC Driver 11 for SQL Server}',
    Server='MyServer,1433',
    Database='MyDB'
)

Answer 6

Try this cxn string:

cnxn = pyodbc.connect('DRIVER={SQL Server};SERVER=localhost;PORT=1433;DATABASE=testdb;UID=me;PWD=pass')

http://mkleehammer.github.io/pyodbc/