After reproducing the issue, stop the trace and analyze with tracerpt .
The driver uses the CCID specification to send PC_to_RDR_IccPowerOn and PC_to_RDR_GetSlotStatus commands to the reader, initializing the smartcard and negotiating communication parameters (e.g., T=0 or T=1 protocols). microsoft usbccid smartcard reader umdf 2 driver
Get-WindowsDriver -Online | Where-Object $_.Driver -like "*ccid*" After reproducing the issue, stop the trace and
The next time you tap your badge and hear that soft beep, remember: no magic, just a very well‑behaved user‑mode driver — the Microsoft USBCCID UMDF 2 — quietly turning USB noise into secure authentication, one APDU at a time. After reproducing the issue