How to factory reset a SonicWALL TZ firewall

This procedure will help guide you through factory resetting SonicWALL TZ firewalls and get access back to the configuration page using the default credentials.

Steps to Factory Reset a SonicWALL TZ

• Hold down the reset button for 10 seconds. The button is located next to the power jack. The device will reboot when you release the reset button.
• Connect a computer to the firewall LAN port.
• Set your computers IP address to 192.168.168.167 MASK 255.255.255.0. See below for details.
• Connect your computer to the LAN port on the SonicWALL TZ. Typically, X0.
• After the device reboots, it will be in recovery mode. Connect to it at http://192.168.168.168.
• Click the boot icon next to “Current Firmware with Factory Default Settings.“
• After the device reboots, you can again connect to it at http://192.168.168.168. The default login is: admin and password.
• At this point, the device is reset to factory defaults.

These factory reset instructions apply to the following SonicWALL TZ models and others:

If you want to learn more about the SonicWALL TZ series firewalls, visit their website: SonicWALL TZ Series | Entry-Level Next-Generation Firewalls

If you need help with networking at your business, or call us at 561-556-2000.

Set Static IP address on a Windows computer

Here are the steps to set a static IP address temporarily on a Windows computer:

1. Open the Control Panel.
2. Navigate to Network and Sharing Center.
3. Click on Change adapter settings.
4. Right-click your active network connection and select Properties.
5. Double-click Internet Protocol Version 4 (TCP/IPv4).
6. Select Use the following IP address.
7. Enter your desired IP address, subnet mask, and default gateway.
8. Click OK to save the changes.

To revert back to a dynamic IP address:

1. Follow steps 1-5 above.
2. Select Obtain an IP address automatically.
3. Click OK to save the changes.