Choose the type you’d like to provide: Remove the smart card reader that is causing this error message. Thanks for marking this as the answer. Tell us about your experience with our site. Contoso Interface device type:

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You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. Home Questions Tags Users Unanswered. Thursday, April 23, 2: The device may already be in use or may be defective. There are two smart card readers that have the same name. To resolve this error message, try to add the device again or restart the computer.

Event ID – 602

Failed to send request at TPDU level. Because it has eveent low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.

How satisfied are you with this response? I’m assuming not, because it does work with another reader on another evennt. Hello, I’m also facing same porblem. The system cannot find the path specified. Looking in Certificate Manager, I see that only one, or sometimes two of my certificates are present.


This setup used to work just fine.

MaheshDesh Replied reaxer May 23, This can leave the smart card reader in an unusable state until it is removed from the computer or the computer is restarted. Jonathon Reinhart 1, 6 25 We raeder tried to install latest driver form HID website for usb smart card reader, but it didnt work. This can indicate hardware failure, but this error reder also occur if a smart card or smart card reader is removed from the system while an operation is in progress.

There are no open issues. You cannot use the smart card reader until the issue is resolved. If there is anything else regarding this issue, please feel free to post back. And if not, so that’s the reason why you may have all the drivers installed, but still not functioning at all.

This occurs when a smart card reader fails several times to respond properly to the IOCTL, which indicates whether a smart card is present in the reader.

EventTracker KB –Event Id: Source: SCardSvr

If you have feedback for TechNet Support, contact tnmff microsoft. Office Office Exchange Server. Smart card reader name Smart card warning events Smart card error events Smart card Plug and Play events Smart card evdnt name The Smart Card resource manager does not use the device name from Device Manager to describe a smart card reader. An attempt to add a Plug and Play smart card reader failed.


There should be some readers already. Product feedback Sign in to give documentation feedback.

WDM Reader driver initialization cannot open reader deviceWe’ll search this forum for an answer

For example ‘Contoso Smart Card 6602 0’ is constructed from the following information:. There is not enough system memory available. Resources for IT Professionals. From your issue description I understand that, card reader fails to start. I have the same question Smart Card Reader Device unit: