The following video on CADWorx & Analysis Licensing contains some basic information on the two licensing systems supported by the CADWorx & Analysis Products: HASP and SPLM.  In addition, the video contains some troubleshooting techniques for both technologies.

The HASP Protection is a hardware based software protection technology.  HASP is a USB Dongle Hardware Technology created by a third party company Sentinel.  The latest drivers for this technology can be found here.  The SPLM (Smart Plant License Manager) technology is a software based software protection technology created by Intergraph. The latest drivers can be found on the Smart Support System.