Unable to convert Word or Excel file to PDF on Windows Server


When user tries to convert Word or Excel files to PDF on Microsoft Windows Server, the following error is encountered as:

Error message from the primary converter:
ALC-PDG-015-003-The system cannot open the input file. Please submit your file again or contact your system administrator.


Perform the following steps to resolve the issue:

  1. To access the System Configuration Utility, go to Start > Run and then enter MSCONFIG.

  2. Click the Tools tab and scroll down and select Change UAC Settings. Click Launch to run the command in a new window.

  3. Adjust the slider to the Never notify level. When finished, close the command window and close the System Configuration window.

  4. Verify that registry setting for UAC is set to 0 (zero). Perform the following steps to verify:

    1. Microsoft® recommends backing up the registry before you modify it. For detailed steps, see How to back up and restore the registry in Windows.
    2. Open Microsoft® Windows Registry editor. To open registry editor, go to Start > Run, type regedit, and click OK.
    3. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system\. Ensure value of EnableLUA is set to 0 (zero).
    4. Ensure value of EnableLUA is set to 0 (zero). If the value is not 0, change the value to 0. Close the registry editor.
  5. Restart your computer.

Applies To

This solution applies to the following:

  • AEM Forms on JEE Server
  • AEM Forms on OSGi Server

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