Check your hardware key driver

Your hardware key driver is installed in <drive>:\Winnt\System32\Drivers\Sentinel.sys.

The driver installed with ArcGIS 8.1 is Version PD-5.38 (January 15, 1999).

To install the newest hardware key driver:

  1. Uninstall your existing license manager server and reinstall using the ArcGIS 8.1 setup.

    OR

  2. Go to the Rainbow Technologies website: www.rainbow.com

  3. Search for the newest drivers for the Sentinel Pro Hardware key and download them.

  4. Reboot your computer.