: Replace a PA-3400 Series Drive
Table of Contents

Replace a PA-3400 Series Drive

Learn how to replace the SSD drive on a PA-3400 Series firewall. The SSD drive contains the system files and logs.
The PA-3400 Series firewalls use a single solid-state drive (SSD) to store the PAN-OS system files, system logs, and network traffic logs. If this drive fails, you must replace it to restore functionality to the firewall.
The replacement drive ships with a factory default PAN-OS image with the default configuration. After you install the new drive, you will need to obtain a backup configuration that you saved from the failed firewall to restore your configuration.
To avoid injury to yourself or damage to your Palo Alto Networks® hardware or the data that resides on the hardware, read the Product Safety Warnings.
  1. Disconnect power from the firewall, then remove the power cable(s).
  2. Unscrew the captive screw on the system drive cover on the front side of the firewall. See PA-3400 Series Front Panel for help locating the system drive cover.
  3. Pull the SSD module out of the firewall.
  4. Slide the replacement SSD module onto the rails and gently push it into the firewall.
  5. Power on the firewall and connect a standard RJ-45 Ethernet cable from the RJ-45 port on your computer to the MGT port on the firewall.
  6. Change the IP address on your computer to an address in the network, such as
  7. From a web browser, go to and, when prompted, log in to the web interface using the default username and password (admin/admin).
  8. Configure management access and restore the firewall configuration.
    For information on how to upgrade or downgrade PAN-OS, see the New Features Guide for the PAN-OS version that your firewall is running. The New Features Guides are located on the Technical Documentation portal.

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