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.
- Connect your computer to the LAN port on the SonicWALL TZ.
- After the device reboots, it will be in recovery mode. Connect to at 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 the 192.168.168.168 address. The 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:
| TZ200 | TZ250 | TZ270 |
| TZ300 | TZ350 | TZ370 |
| TZ400 | TZ450 | TZ470 |
| TZ500 | TZ550 | TZ570 |
| TZ600 | TZ650 | TZ670 |
If you want to learn more about the SonicWALL TZ series firewalls, visit their website:
SonicWALL TZ Series | Entry-Level Next-Generation Firewalls
Are you interested in more articles? Check out DSCP TOS CoS Precedence Conversion Chart