[1] With the DSSA™ installation on IIS completed, it is initialized and activated using the DSSA™ software interface [2] to read further instructions on IIS configuration settings.
Links:
[1] https://www.digi-sign.com/downloads/download.php?id=aacd-digi-ssl-pdf
[2] https://www.digi-sign.com/aacd/dssa/iis+instructions