This Login method enables the creation of new instances of the TaxEngine based on an existing connection.

This Login method is retained for backward compatibility. It uses DYNAMICS as the system database and uses encrypted Dynamics passwords.

This Login method is retained for backward compatibility. It uses DYNAMICS as the system database.

This login works with Dynamics encrypted passwords.

This method creates and validates the connection to SQL Server. It also verifies the existence and checks the state of the TaxEngine tables. If the tables do not exist and the user has create rights, this method will create the missing tables.