When opening a Tableau workbook (.twb), the following error may occur, even though the password prompt does not appear:
An error occurred while communicating with Microsoft SQL Server. Unable to connect to the server. Check that the server is running and that you have access privileges to the requested database.
'Missing password.', 'The table "[<schema>].[<table>]" does not exist.', "Unable to properly calculate the domain for the field '<field>'. Displayed data may be incorrect.