ActivClient middleware is smart card software that enables computer applications to talk to the computer chip on the HHS smart card ID badge.

ActivClient is licensed by HHS for use by NIH smart card badge holders. The ActivClient license is per badge, not per computer. You may install ActivClient on any computer where you need to use your smart card for login, digital signatures or encrypted email.

Please visit for more information.

For technical support and all other questions, please contact the NIH IT Service Desk at: 301-496-4357 (local) or 866-319-4357 (toll free) or submit a service request via the web at: