IE9 - Stop pdf's from opening embedded in the browser

Posted on 2013-05-31
Medium Priority
Last Modified: 2013-06-19
win7, IE9, adobe reader XI.  In order to stop ie from opening pdf's embedded in the browser, I need to disable the ie 'adobe pdf reader' add-on.  I need to do this on a thousand machines so I can't do it manually.  I've tried doing it via group policy using the below link, but it didn't work.  The add-on said it was disabled, but pdf's still open embedded.  Can anyone tell me how I can do this programatically, via group policy or via registry etc?
Question by:JohnPaddock
  • 3

Expert Comment

ID: 39213411
Adobe offers an administrative template for GPO for Adobe Reader 11.
This allows to modify the option 'display pdf in browser'.

Alternatively you can set registry value bBrowserIntegration in
SOFTWARE\Policies\Adobe\Adobe Acrobat\11.0\FeatureLockdown.

However because this doesn't work for all browsers, Adobe recommends

Author Comment

ID: 39220417
odd.  I tried using their template and disabling 'display pdf in browser', but it didn't work.  I can even still switch it back and forth manually.  I can see that the policy was applied as the below registry value is there.  This is giving me a headache.  Maybe this policy was originally made when that setting was a setting in adobe, and not an add-on in IE.  But it specifically says it's an adboe reader XI template.  

HKLM\SOFTWARE\Policies\Adobe\Adobe Acrobat\11.0\FeatureLockdown\bBrowserIntegration

Accepted Solution

JohnPaddock earned 0 total points
ID: 39247554
Adobe Readers group policy template just doesn't seem to work for that setting.  maybe it depends on the version of IE.  Anyways, after a lot of experimenting, I found a way.

To disable the IE adobe reader add-on, add the below 2 registry values.  If you want to enable it, delete the whole reg key containing those values.

"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{CA8A9780-280D-11CF-A24D-444553540000}", "Flags", "1", (REG_DWORD)
"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{CA8A9780-280D-11CF-A24D-444553540000}", "Version", "*", (REG_SZ)

Author Closing Comment

ID: 39258768
This is the only method that worked.

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