Resetting Untangle SD-WAN Router to Factory Defaults


In case you are unable to reach the administration or log in and you want to restore the system to factory defaults, you can do this via USB.

Resetting via USB

  1. On your management computer, insert a USB disk and format it using FAT32 file system.
  2. Create a file named reset_settings.txt and copy it to the USB disk.
  3. Eject the disk and insert it into your Untangle SD-WAN Router device.
  4. Power off your Untangle SD-WAN Router, then wait a few seconds and power it on.
  5. Wait approximately one minute for the system to restore settings to defaults.
  6. Open a browser and connect to the default local IP address of and continue to the wizard.


Before preparing your USB disk, make sure it does not have a boot partition. You can use a tool such as Rufus to confirm that the disk is properly formatted without a boot partition.


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