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Windows was unable to find a certificate to log you on to the network - when using CA (Radius Server) to Authenticate Windows XP Systems

    Question

  • I need help resolving an issue with a CA Server with Windows Server 2008 STD  running Radius Server. We have it setup to use Computer Authentication for Wireless  connections for the Internal SSID and Guest for the External devices.

    It works fine on Windows 7 machines. They are able to auto obtain a computer certificate and we can setup the Wireless connection to use Radius Enterprise WPA2, but there an issue with Windows XP machines. They also are able to auto obtain a Computer certificate but we can't get any of the XP machines to authenticate to the Radius server. It comes up with the error message "Windows was unable to find a certificate to log you on to the network"

     

    Your assistance is greatly apprecaited.

     

    nelson


    Nelson Ehis
    Friday, April 15, 2011 6:28 PM

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