Microsoft Download Center Archive
|  | Security Update for ISA Server 2006 with Service Pack 1 (KB 971143) | 
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.
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Files
|  | Status: DeletedThis download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020. | 
| File | Size | 
|---|---|
|  ISA2006-SP1-KB971143-X86-ENU.msp SHA1:  5e64741147424caf5d64c25e1f96cb032e7376c0 | 5.00 MB | 
System Requirements
Operating Systems: Windows Server 2003 Service Pack 1
- • ISA Server 2006 with Service Pack 1
Installation Instructions
- 1. Click the Download button on this page to start the download of a component.
 2. Do one of the following:
 • To save the download to your computer for installation at a later time, click Save.
 • To cancel the download, click Cancel.