6 Appendix A: Product Behavior

The information in this specification is applicable to the following Microsoft products or supplemental software. References to product versions include released service packs.

  • Windows 2000 operating system

  • Windows 2000 Server operating system

  • Windows XP operating system

  • Windows Server 2003 operating system

  • Windows Vista operating system

Exceptions, if any, are noted below. If a service pack or Quick Fix Engineering (QFE) number appears with the product version, behavior changed in that service pack or QFE. The new behavior also applies to subsequent service packs of the product unless otherwise specified. If a product edition appears with the product version, behavior is different in that product edition.

Unless otherwise specified, any statement of optional behavior in this specification that is prescribed using the terms "SHOULD" or "SHOULD NOT" implies product behavior in accordance with the SHOULD or SHOULD NOT prescription. Unless otherwise specified, the term "MAY" implies that the product does not follow the prescription.

<1> Section 1.3: The NNTP Extension server role is supported on Windows 2000 Server and Windows Server 2003. The NNTP Extension client role is supported on Windows 2000, Windows XP, and Windows Vista.

<2> Section 1.5: Windows NNTP server and NNTP client use the Security Support Provider Interface (SSPI) to obtain and process NTLM messages. For more information about SSPI, see [SSPI].

<3> Section  For security reasons, a Windows-based NNTP server does not permit a client to authenticate by using credentials for a user who is identified as the "BUILTIN\Administrator" account. Internally, the NTLM subsystem reports to the NNTP server that the authentication succeeded. However, Windows NNTP then checks the user credentials and fails the authentication by sending the NNTP_AUTH_Fail_Response message even though NTLM actually returned success for the authentication.