If multiple hardware keys are plugged into the parallel port, try placing the ESRI Sentinel Key as the first in the chain and recheck the Sentinel Key status.Make sure that the ESRI hardware key is attached to the primary parallel port. If the Sentinel Driver is version PPD 5.38 or later and the Sentinel Key is conflicting with another device, one option is to install a second parallel port card to add a second parallel port or to use a USB key.Be sure to select a 'custom' installation when prompted. Download the latest Sentinel Driver from SafeNet Inc.Download and install the latest version of the sentinel driver. ArcGIS 8.x uses Sentinel Key Driver version PD 5.38 or above.After removing these devices, recheck the Sentinel Key status to see if the key is now recognized. Verify that the key is plugged securely into the back of the computer and remove any devices, such as Zip drive, printer, or other Sentinel Keys that are plugged into the back of the key. However, the hardware key does not appear to be plugged into a parallel port on this system. The SuperPro driver appears to be installed and running. If no window, a blank window, or a window with the following message appears: If this message appears, the Sentinel Driver and Key are functioning properly. The Sentinel driver is installed and running. To verify the Sentinel Key and Sentinel Driver are installed and running correctly, click Start > Programs > ArcGIS > License Manager > Display Hardware Key Status.The Sentinel Key returns its number only when the Sentinel Key and the Sentinel Key Driver are communicating properly. The Sentinel Key is a parallel or USB port hardware dongle that provides a unique number used in the generation of the users' licenses. How To: Verify the Sentinel Key is attached and responding correctly Summary

Bypass dongle verify