• NetExtender for Secure Mobile Access 10.2
• NetExtender Overview
  • What is NetExtender
  • NetExtender Concepts
    • Stand-Alone Client
    • NetExtender Supports Network logon (PreLogon)
    • NetExtender Supports Always On VPN (AOV)
    • Multiple Ranges and Routes
    • IP Address User Segmentation
    • Client Routes
    • Tunnel All Mode
    • Proxy Configuration
  • Supported Platforms
    • NetExtender Client Versions
    • Supported Clients
    • Supported SonicWall Appliances
  • What's New in NetExtender
  • Feature Support in NetExtender
  • Deprecated Feature
• Configuring NetExtender for Windows Client
  • Prerequisites
  • Support Enhancement
  • Installing NetExtender on Windows
  • Enabling Network Logon (PreLogon) Feature on NetExtender
  • Enabling Always-On VPN Connection
  • Installing NetExtender through Microsoft Installer
  • Auto-Run NetExtender
• Configuring NetExtender for Linux Client
  • Prerequisites
  • Installing NetExtender on Linux
• Using NetExtender
  • Adding Connection Profile Management
  • Editing Connection Profile Management
  • Connect with Connection Profile
  • Connect with Specific Protocol
  • Multiple Factor Authentication
    • TOTP Authentication
    • Client Certificate Authentication
    • Smart Card Authentication
    • DUO Security Authentication Support for NetExtender
      • DUO Security Authentication with NetExtender Windows
      • DUO Security Authentication with NetExtender Linux
  • Configuring NetExtender Properties
    • NetExtender Properties for Windows Client
      • Configuring Settings
      • Configuring Connection Settings
      • Configuring Connection Script
      • Configuring Proxy
      • Configuring Packet Capture
    • NetExtender Properties for Linux Client
      • Configuring Proxy
      • Configuring Certificate Settings
      • Configuring Settings
  • Viewing the NetExtender Log
  • Disconnecting NetExtender
  • Upgrading NetExtender
  • Uninstalling NetExtender
• Using the NetExtender Command Line Interface
  • Launching the NetExtender CLI for Windows
  • Launching the NetExtender CLI for Linux
• NetExtender Troubleshooting
• NetExtender FAQ
• Use Case
  • Adding Connection Profile
  • Editing Connection Profile
  • OTP Authentication
  • Certificate Authentication
  • Authentication with Smart Card
• SonicWall Support
  • About This Document

NetExtender Troubleshooting

This chapter provides you with help troubleshooting information for the SonicWall NetExtender utility.

NetExtender Can not Be Installed

• Problem: NetExtender cannot be installed.

• Solution:

  1. NetExtender Windows, check that the user has administrative privileges. NetExtender Windows can only be installed under the user account with administrator privileges.

  2. NetExtender Windows, The event logs in the EventViewerfound under the Windows > ControlPanel > Administrator Tools folder. Select Applications and System events and use the Action /Save Log File menu to save the events in a log file.

  3. NetExtender Linux, run "uname -a" to check if the correct installer is used for OS architecture.

  4. NetExtender Linux, check the OS information in /etc/OS-release,and make sure it is on the supported list.

NetExtender Can not Connect

• Problem: NetExtender cannot connect.
• Solution:

  1. NX Windows, run "services.msc" to check if the "SonicWall NetExtender Service" is running.

  2. NX Windows, Go to "Control Panel > Network and Internet > Network Connections" to check if the VPN adapter has been created.

  3. NX Windows, check the log by exporting logs. if failed to export, please go to C:\ProgramData\SonicWall\NetExtender to view manually.

  4. NX Windows, the event logs are in the EventViewer, found under the Windows > ControlPanel > Administrator Tools folder. Select Applications and System events and use the Action /Save Log File menu to save the events in a log file.

  5. NX Linux, check the log by exporting logs. If failed to export, please go to /var/log/SonicWall/NetExtender to view manually.

  6. NX Linux, run "systemctl status NEService" to check if the service is running.

  7. NX Linux, run "ifconfig" to check if the VPN tun adapter is created.

  NetExtender Linux Cannot Be launched

  • Problem: NetExtender Linux cannot be launched.
  • Solution:

    1. Check the os information in /etc/OS-release.

    2. Run ldd - version to check the glibc version, if it is greater than glibc 2.28.

    3. Check if a dependency named ldconfig exists by running "ldconfig".

    4. Check the webkit2gtk version.

Related Topics:

• https://www.sonicwall.com/support/search-results/?searchtext=netextender+config
• https://www.sonicwall.com/support/knowledge-base/dns-ip-not-getting-updated-on-netextender-after-changing-the-dns-on-the-box/180619133203645/
• https://www.sonicwall.com/support/knowledge-base/enable-proxy-settings-in-the-netextender/170505506096633/
• https://www.sonicwall.com/support/knowledge-base/sonicwall-net-extender-service-is-grayed-out-with-9-0-x-msi-file/190314150454875/
• https://www.sonicwall.com/support/knowledge-base/damaged-version-of-net-extender-error-message-on-windows-10/170707194358278/
• https://www.sonicwall.com/support/knowledge-base/unable-to-log-in-with-netextender-while-using-german-special-characters/170502534932980/