Article ID: 2394731 - View products that this article applies to.
Consider the following scenario:
Error : IE cannot download attachment.ashx from localhost. The file could not be written to the cache.
Note If you set the BypassOwaHTMLAttachmentFiltering setting to False in the Web.Config file, this issue does not occur.
To resolve this problem, install the following update rollup:
(https://support.microsoft.com/kb/2407025/ )Description of Update Rollup 2 for Exchange Server 2007 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
The BypassOwaHTMLAttachmentFiltering setting is introduced since Update Rollup 8 for Exchange Server 2007 Service Pack 1. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/958881/ )All HTML content in attachment files of messages is run through an HTML filter when you open or save the attachment by using Outlook Web Access (OWA)
Article ID: 2394731 - Last Review: December 14, 2010 - Revision: 1.0