Backward DSN migration restores the default Teradata DSN driver values that were configured during installation.
1 From a DOS command window, change to the tdodbcdsn.vbs directory.
2 Enter the following command to revert all Teradata DSNs to their default values configured during installation: cscript tdodbcdsn.vbs %SYSTEMROOT%\temp\Teradata_DSN_Migration_[type]_[timestamp].tx