Using Terminal.app you can use sc_auth (see the man page) to do that or you can use dscl. Sc_auth is probablty the preferred method. Dscl . delete /users/[username] AuthenticationAuthority “;tokenidentity;[Subjectkeyidentifier from smartcard]” __________________________________________________ Will Jorgensen IT Engineer Feedback helps us grow! -----Original Message----- From: <smartcardservices-users-bounces@lists.macosforge.org> on behalf of Will Coleman <will.coleman@centrify.com> Date: Wednesday, November 2, 2016 at 1:21 PM To: SmartCardServices-Users <smartcardservices-users@lists.macosforge.org>, Fed Talk <fed-talk@lists.apple.com> Subject: [SmartcardServices-Users] Unpairing Smart Cards in 10.12 Hi, Does anyone know how to undo or un-pair the linking of the certificates from the PIV card once you link them via the Sierra 10.12 linking process? I can’t seem to find any settings anywhere that store the paired card to the user. Thanks, _______________________________________________ SmartcardServices-Users mailing list SmartcardServices-Users@lists.macosforge.org https://lists.macosforge.org/mailman/listinfo/smartcardservices-users