On a computer that is running Windows Vista or Microsoft Windows XP Service Pack 2 (SP2), an event that resembles the following may be logged in the System log:

Event Source: SCardSvr
Event Category: None
Event ID: 610
Date: date
Time: time
Type: Error
User: N/A
Computer: ComputerName
Description: Smart Card Reader ‘ReaderName’ rejected IOCTL

You experience this behavior if the following conditions are true:

• The computer has a smart card reader.
• You insert a smart card in the smart card reader.
• You remove the smart card from the smart card reader.