Microsoft KB Archive/248753

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Description of PKINIT Version Implemented in Kerberos in Windows 2000

Article ID: 248753

Article Last Modified on 2/28/2007


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

This article was previously published under Q248753


PKINIT is an Internet Engineering Task Force (IETF) Internet draft for "Public Key Cryptography for Initial Authentication in Kerberos." Windows 2000 uses this protocol when you use a smart card for interactive logon. Because the PKINIT specification had not been made a standard by the IETF at the time that Windows 2000 was released, and subsequent updates to the specification have occurred, this article identifies which version of the specification was used in the implementation of the PKINIT capability in Windows 2000.


Windows 2000 uses draft 9 of the IETF "Public Key Cryptography for Initial Authentication in Kerberos" Internet draft. IETF Internet drafts are available at the following IETF Web site:

Internet drafts expire six months after publication.

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Keywords: kbinfo kbnetwork kbppkey KB248753