Windows 7 interfering with smart cards

Posted by Dennis on Stack Overflow See other posts from Stack Overflow or by Dennis
Published on 2010-03-18T20:15:39Z Indexed on 2010/05/24 3:11 UTC
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windows-7

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smartcard

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pcsc

I have an application that uses the PC/SC API to communicate with smart cards. On Windows 7, I get strange results: the data returned from the cards is inconsistent and invalid with certain commands. If I disable the Smart Card Plug and Play service in group policy then everything works fine. Has anyone experienced anything similar? Is there any way to get the smart card plug and play service to play nice? It would be nice to not have to disable it...

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