Error "Connection failure: no routes found!" in Netextender for SSLVPN connection

08/22/2022 1,134 People found this article helpful 493,217 Views

Description

When client connects to SonicWall SSL-VPN using Netextender from his computer he will get the error "Connection failure: no routes found!" as below.

Cause

The reason for this error is, that no Address Objects were selected in the Client Routes of the SSL VPN settings as below.

On Gen7 devices (Firmware on 7.x):

On Gen6 (Firmware 6.x) and Gen5 (Firmware 5.x) devices:

Resolution

Resolution for SonicOS 7.X

This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. The below resolution is for customers using SonicOS 7.X firmware.

Login to your SonicWall Management page.
Navigate to Network > SSL VPN > Client Settings, Click on configure Default Device Profile used by SSL VPN.
Go to the Client Routes tab, add required Address Objects from Networks to Client Routes.
Click OK at the bottom of the page to accept the changes.

Resolution for SonicOS 6.5

This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.

The resolution for this issue is to add the required Address Object in the Client Routes section as below and accept the changes.

Login to your SonicWall Management page.
Navigate to Manage > SSL VPN > Client Settings, Click on Configure, under Client Routes
on the right side select required Address Object in Add Client Routes.
Click Accept at the bottom of the page to accept the changes.

Resolution for SonicOS 6.2 and Below

The below resolution is for customers using SonicOS 6.2 and earlier firmware. For firewalls that are generation 6 and newer we suggest to upgrade to the latest general release of SonicOS 6.5 firmware.

The resolution for this issue is to add the required Address Object in the Client Routes section as below and accept the changes.

In Gen 5 - SonicOS (5.8 & below) and Gen 6 - SonicOS (6.1 & above)

Login to your SonicWall Management page.
Navigate to SSL VPN > Client Routes, on the right side select required Address Object in Add Client Routes.
Click Accept at the top of the page to accept the changes.

It will be update at the bottom of that section as shown in the below picture.

In Gen 5 -SonicOS (5.9 & above)

Login to your SonicWall management page.
Navigate to SSL VPN > Client Settings, on the right side configure Default Device Profile used by SSL VPN.
Go to the Client Routes tab, add required Address Objects from Networks to Client Routes.
Click the OK button to accept the changes.

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Error "Connection failure: no routes found!" in Netextender for SSLVPN connection

Description

Cause

Resolution

Resolution for SonicOS 7.X

Resolution for SonicOS 6.5

Resolution for SonicOS 6.2 and Below

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