Adobe Reader X – Disable Protected Mode ADM

Adobe Reader 10 includes a new feature called “Protected mode” which gives “There was an error opening this document. Access denied” when opening from a network share.

To disable this via Group Policy:

  • Download the ADM file here
  • Create a new GPO, right click administrative templates under User Configuration, select add/remove templates and browse to the adobex.adm
  • Open up the new Adobe Reader 10 policy -> Preferences -> General -> Application Startup
  • Disable ‘Enabled Protected Mode at startup’
  • Apply GPO to the required OU/Domain

If you are using Server 2003, you will need to tweak the filtering options by doing the following:

  • With Administrative Templates selected go to View -> Filtering -> Untick ‘Only Show policy settings that can be fully managed’.


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