Microsoft SQL Server has only ever fully supported trusted connections. Specifying a User ID and Password may work, but it has never been a supported feature. As such, there is no change to the database Log on to an SQL Server database, except that DBCF flags may affect the type of Log on performed.
1. Attempt a connection using the parameters as passed in.
2. If it's an Imported table, prompt the user repeatedly until a connection is successfully made or the dialog is cancelled. (This applies only to interactive LANSA processes running on Microsoft Windows.)
3. Fatal error.