Microsoft Download Center Archive

Security Update for ISA Server 2006 with Service Pack 1 (KB 971143)

  • Published:
  • Version: 5723.514
  • Category: Security Patch
  • Language: English

A vulnerability in ISA Server 2006 may allow a user to log on to a published Web server using invalid credentials.

  • When publishing a Web server using forms-based authentication with RADIUS one-time password (OTP ) as the credentials authority and Kerberos constrained delegation, it may be possible to bypass the form authentication and log on using invalid credentials.
Knowledge Base Articles:
Security Bulletins:


Status: Deleted

This download is no longer available on The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

FileSHA1 HashSize
ISA2006-SP1-KB971143-X86-ENU.msp5e64741147424caf5d64c25e1f96cb032e7376c05.00 MB

System Requirements

Operating Systems: Windows Server 2003 Service Pack 1

  • • ISA Server 2006 with Service Pack 1

Installation Instructions

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