Prerequisites
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Ensure that all the software images, configurations and personal data is backed up before performing factory reset.
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Ensure that there is uninterrupted power supply when factory reset is in progress.
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The factory reset process takes a backup of the boot image if the system is booted from an image stored locally (bootflash or hard disk). If the current boot image is a remote image or stored on an USB, NIM-SSD or such, ensure that you take a backup of the image before performing factory reset.
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The factory-reset all secure command erases all files, including the boot image, even if the image is stored locally. If the current boot image is a remote image or stored on a USB, NIM-SSD, or such, ensure that you take a backup of the image before performing secure factory reset.
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Ensure that ISSU/ISSD (In- Service Software Upgrade or Downgrade) is not in progress before performing factory reset.