Microsoft KB Archive/254165

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Encrypted Dial-Up or PPTP Session Using EAP/TLS Connects But Does Not Transmit Data

Article ID: 254165

Article Last Modified on 2/28/2007


  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Advanced Server

This article was previously published under Q254165


This article discusses encrypted dial-up or PPTP sessions using EAP/TLS.


Remote dial-up or Point to Point Tunneling Protocol (PPTP) sessions that use the Extensible Authentication Protocol/Transport Layer Security (EAP/TLS) authentication method, called 'smart card', cannot establish an encrypted session with a peer that is using a version of Microsoft Windows 2000 earlier than Release Candidate 1. The connection succeeds, but no data is successfully transmitted. This occurs because of a change in the way encryption keys are generated.

Additional query words: win2krelnotes

Keywords: kbinfo KB254165