Users are unable to open/save any attachments.

Document ID : KB000054404
Last Modified Date : 14/02/2018
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Users are unable to open/save attachments and get error message "Download failed - AHD04012: security id
(96864413) not found or has expired", however the upload of attachments works fine.


This could be due to a Microsoft Internet Explorer browser security setting. Please try the following to see if this rectifies the problem:

  1. Select 'Tools' -> 'Internet Options?' from with the web browser.

  2. Click on the 'Security' tab, select the 'Internet' zone and click the 'Custom Level...' button.

  3. Scroll Down to 'Downloads' and find the Section 'Automatic Prompting for file Downloads'.

  4. Select the 'Enabled' option and Save the change.

  5. Then select 'Trusted sites' zone within the security tab and click on 'Sites'.

  6. Add the Application (primary server) as a trusted site.