Unexpected HTTP to HTTPS redirections with ISA publishing web servers

Source: Microsoft Support

RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.

When you use ISA Server 2006 to publish an HTTP web server with deactivated Link translation in the publishing rule and browse the published URL, the traffic gets redirected unexpected from HTTP to HTTPS for specific links to sub folders for this published site.

ISA will apply link translation for any published web site even though link translation is disabled in the publishing rule, if link translation is enabled globally.

Therefore, it may happen that link translation performs unexpected redirects from http to https.

To resolve this problem, apply the Hotfix package that is described in Microsoft Knowledge Base article 926846, and then enable the functionality that the Hotfix package provides.

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For more information about this Hotfix package, click the following article number to view the article in the Microsoft Knowledge Base:

926845� ISA Server or Windows Essential Business Server 2008 takes a long time to apply changes to the firewall configuration, or changes may not be applied to members of the array in ISA Server 2006 Enterprise Edition or in Windows Essential Business Server 2008

http://support.microsoft.com/default.aspx?scid=kb;EN-US;926845

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Follow the steps described in KB926845 to apply the fix.