The Admin Installer is required to manage the PIVKey, to load certificates, and to map those certificates to PIV Certificate Slots. It should be installed on the Admin enrollment station, or on a central server.
The Admin install includes the following:
The PIVKey Smart Card Minidriver for integration of the PIVKey into the Windows base Smart Card CSP.
The PIVKey tool, for mapping the Minidriver certificates to PIV certificate slots.
vSEC:CMS Utility, for changing the PIVKey keys and PINs, and for unblocking the card.