Here is technical and troubleshooting content for related to the Smart Card Service in Windows.

wevtutil set-log Microsoft-Windows-SmartCard-Audit/Authentication /enabled:true wevtutil set-log Microsoft-Windows-SmartCard-Operational /enabled:true This is NOT a Smart Card error, but often confused. Here is the correct meaning:

Get-WinEvent -FilterHashtable @LogName='Microsoft-Windows-SmartCard-Audit/Authentication'; ID=624 | Format-List -Property * Would you like a sample script to parse Event 624 for failed smart card mappings?