Unable to access USB devices on Show Control, HP Device Access Manager restricting access

Potential Symptoms

  • When plugging in USB devices, such as a flash drive to transfer files to the computer, get an error stating the following: "You don't currently have permission to access this folder."
  • USB device is known to work on another computer without issue.


  • Product Family: Control System
  • Product: SCS HP TouchSmart
  • Component: USB Storage Device
  • Control System:


  • 'HP Device Access Manager v8.4.7.0' which was restricting access to external devices.
  • This is a known issue for HP, refer to the following: HP KB


  • Open 'HP Client Security' and disable the feature "Device Access Manager with Just In Time Authentication" or adjust it to your security needs.

For Temporary Operation

  • Uninstall the program

KB ID: DD4179067

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