A compatible USB smart card reader (e.g., HID OmniKey).
Even if not prompted, restart your machine to initialize the smart card reader drivers and the middleware service.
: Supported on 2016, 2019, and 2022 platforms. Core Features activclient version 7.4.1.5 -or higher- download
Versions prior to 7.3 had intermittent issues with Windows 10’s credential guard and virtualization-based security. Version 7.4.1.5 introduced deep kernel integration that resolved these conflicts.
: Compatible with the latest HID Crescendo and PIV cards. A compatible USB smart card reader (e
: The VA provides specific guidance on ActivClient x64 usage through their internal software repositories.
Look for the "ActivClient Agent" icon (a small smart card icon) in your system tray. Insert your card; the icon should change or show a "card recognized" status. Troubleshooting Common Issues Core Features Versions prior to 7
ActivClient is a smart card middleware application developed by HID Global. It functions as a software layer that enables Windows to communicate properly with smart cards and USB security tokens, handling the critical tasks of reading certificates, validating PINs, and performing cryptographic operations.