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Platform compatibility

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Set up the control

1

Set the access mode (Windows only)

On Windows, choose the USB storage access mode from the dropdown:
  • Block — prevents all removable storage devices from connecting.
2

Select targeting

Choose which devices to apply the control to: all devices, specific device groups, or a custom target.

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Modify or remove the control

Disable the control from the profile settings. Disabling stops enforcement but does not remove existing configurations from devices.

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How it works

Primo pushes an MDM restriction that blocks removable storage devices from mounting. No additional configuration is required.

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Troubleshooting

A user mounted a USB drive from the terminal after applying the control
  • This is expected behavior on Linux. USB storage blocking only blocks UI-based mounting. Command-line mounting with mount is not restricted by this control.