Note: this one comes from WUDFUsbccidDriver.dll CMyDevice::UsbScT0Transmit+7D0h HResult: The specified request is not a valid operation for the target device. ScT0Transmit: Failed to send request at TPDU level. Or reader may not be functioning correctly.Įrror: 0xf6 // ICC_PROTOCOL_NOT_SUPPORTEDĪn operation has failed (0x0, 0x0, 0x0, 0x0). Smart Card Reader 'SCM Microsystems SCR33xx v2.0 USB SC Reader 0' rejected The errors, in chronological order: Smart Card Service Event ID: 610 I finally thought to look at the system log, and noticed the following errors upon smart card insertion: I just returned and replaced the reader with the same model, so I know it is not the culprit. If I delete them, and re-insert my card a different certificate may appear.
Looking in Certificate Manager, I see that only one, or sometimes two of my certificates are present. Recently, I stopped being able to access the websites. When I would insert my CAC, my certificates would immediately propagate to the certificate store (as evidenced by Certificate Manager, certmgr.msc), and I could log on to websites that required a CAC for access. I have a CAC smart card, and a SCM Microsystems SCR3310 USB card Reader.
