Troubleshooting TZ 180 Configuration and Settings Issues
19
SonicWALL TZ 180 Recommends Guide
Symptom: The Appliance Is Reporting that the Security Appliance Is Already
Registered
If you get this message, the appliance is registered to another MySonicWALL account. If you have multiple
accounts, login to each of your accounts to determine the appliance registration account. If you no longer
know which account the appliance is registered to, contact SonicWALL technical support and ask for the
appliance serial number to be unregistered.
Symptom: The Appliance Reports that the Connection Timed Out
During peak periods, the appliance may be unable to connect to the MySonicWALL portal. Wait 15 minutes
before attempting to connect again.
VPN Troubleshooting
Symptom: I Cannot Get Site-to-Site VPN to Work
For a VPN tunnel to successfully negotiate, a number of settings must exactly match on both sides,
otherwise the tunnel fails to negotiate. The following is a list of settings to verify on both sides.
Verify that the VPN is Enabled on the SonicWALL Security Appliance
VPN is enabled by default but can be shut off inadvertently. Navigate to the
VPN > Settings
page and
verify that the checkbox next to
Enable VPN
is checked.
provides a view of the VPN Global
Settings section. Verify that the
Enable
checkbox to the right of your VPN Policy is also checked.
Figure 10
SonicWALL VPN Global Settings with UFI
Fix Incorrect UFI Settings
If one side of the VPN tunnel is a SonicWALL security appliance with a WAN IP address that is obtained
dynamically, then Aggressive Mode must be used. For detailed information about configuring site-to-site
SonicWALL security appliances for VPN tunnels, refer to the
Configuring VPNs Between SonicOS Standard and
SonicOS Enhanced
technote document.
