Version 10.3.5

May 2026

About NetExtender Windows

NetExtender Windows is a transparent software application for Windows users that enables remote users to securely connect to the remote network accessed through a SonicWall appliance. With NetExtender Windows, remote users can securely run any application on the remote network. Users can upload and download files, mount network drives, and access resources as if they were on the local network.

This release supports all the features and contains all the issues resolved in previous NetExtender Windows releases. For more information, see the last release notes on MySonicWall at https://mysonicwall.com.

Compatibility and Installation Notes

• Most popular browsers are supported, but prefers Google Chrome for the real-time graphics display on the Dashboard.
• A MySonicWall account is required.

Supported Platforms

NetExtender Windows Client Versions

The following is a list of NetExtender Windows client versions that are available in this release.

Version	Description
10.3.5	NetExtender for Windows 10 32-bit MSI/EXE
10.3.5	NetExtender for Windows 10/11 64-bit MSI/EXE
10.3.5	NetExtender for Windows 11/10 ARM64-bit

Supported Client Platforms

NetExtender Windows 10.3.5 supports computers running the following versions:

• Windows 10/11.

Supported SonicWall Appliances

SonicWall appliances receive NetExtender Windows connections from remote clients. The following appliances are supported:

• SonicWall firewalls running SonicOS 8 firmware versions, including the following platforms:
  • TZ80, TZ280, TZ280P, TZ280W, TZ380, TZ380W, TZ480, TZ580, TZ680, and NSa 2800, NSa 3800, NSa 4800, NSa 5800, and NSa 6800 running SonicOS 8

• SonicWall virtual firewall running SonicOS 8.2.1-8010 firmware version, including the following NSv series platforms:

  • NSv XS

• SonicWall firewalls running SonicOS 7 firmware versions, including the following platforms:
  • TZ270, TZ270W, TZ370, TZ370W, TZ470, and TZ470W running SonicOS 7
  • TZ570, TZ570W, TZZ570P, and TZ670 running SonicOS 7
  • NSa2700, NSa3700, NSa4700, NSa5700, and NSa6700 running SonicOS 7
  • NSv270, NSv470, and NSv870 running SonicOS 7
  • NSsp 10700, NSsp 11700, NSsp 13700, and NSsp 15700 running SonicOS 7
• SonicWall firewalls running SonicOS 6.5.5.2-28n firmware version, including the TZ,and NSa
  • TZ300, TZ300W, TZ300P, TZ350, TZ350W, TZ400, TZ400W, TZ500, TZ500W, TZ600, TZ600P
  • NSa 2600, NSa 3600, NSa 4600, NSa 5600, and NSa 6600
  • NSa 2650, NSa 3650, NSa 4650, NSa 5650, NSa 6650, NSa 9250, NSa 9450, and NSa 9650

Supported Firmware SMA Versions

• SMA 100 10.2.2.3

• SMA 100 10.2.2.4

SonicWall recommends using the latest NetExtender Windows with the latest SMA 100 Series firmware for optimal performance.

Supported Firewall Firmware Version

NetExtender Windows 10.2.x versions are the only fully supported firewall versions at this time. While NetExtender Windows 10.3.x versions are available; they currently have limited support and may not be suitable for all supported firewall versions.

Firewall Firmware Version	NX 10.2.341	NX 10.3.5
GEN 6/6.5 - 6.5.5.2-28n	Supported	Limited Support
GEN 7 - 7.3.0-7019	Supported	Limited Support
GEN 7 - 7.3.1-7013	Supported	Limited Support
GEN 7 - 7.3.2-7008	Supported	Supported
GEN 8 - 8.0.4-8014	Supported	Limited Support
GEN 8 - 8.1.0-8017	Supported	Limited Support
GEN 8 - 8.2.0-8009	Supported	Supported
GEN 8 - 8.2.1-8010	Supported	Supported

SonicWall recommends using the latest firmware GEN 7 and GEN 8 for optimal performance.

What's New

This release provides the latest NetExtender Windows version, fixes for previously reported issues and the new features as follows:

• Added DTLS VPN support for NetExtender on Windows

• Updated VPN protocol labels: SSL VPN is now TLS (TCP) and DTLS VPN is now DTLS (UDP).

Resolved Issues

Issue ID	Issue Description
NX-398	Design change: On NX Windows 10.3.5, For all Windows Users option is enforced when add connection profile in Pre-logon connection.
NX-399	Fixed an issue where NetExtender could show the error SonicWall NetExtender service does not respond on some systems.

Known Issues

Not Applicable.

Additional Reference

Not Applicable.