Cant Connect to SQL serever

I have VS 2005 and SQL Server 2000 and couldn’t connect
I have adapter file and configure hostname , databasename , username and password but
" Test adapter connection failed! "
occured please help me

Hi Ms,

Thanks for your post. Please refer to the solutions in the following link and see if you can connect to the SQL Server?

If you still cannot connect to the SQL Server, please send me a screenshot of your Database Configuration dialog box. Thanks!

Best regards,
Lilian Wong