In IT environments, efficient communication between administrators and network users is critical—especially when it comes to sending notifications, system alerts, or maintenance warnings without relying on external messaging tools. LizardSystems LanSend 3.3.1 Build 117 offers a streamlined and secure solution for sending text messages to network users directly over a local area network (LAN).
With a lightweight footprint, zero reliance on internet connectivity, and seamless integration into Windows-based networks, LanSend remains a favorite among IT professionals who need a fast and dependable way to communicate across their organization.
What’s New in Version 3.3.1 Build 117?
Version 3.3.1 (Build 117) introduces minor enhancements and bug fixes aimed at improving compatibility and performance, especially on newer Windows platforms.
Key Updates in 3.3.1.117:
- Improved Compatibility with Windows 11 (22H2/23H2)
- Enhanced scanning and detection of network workstations.
- Minor bug fixes to improve stability in high-device environments.
- Refined UI scaling for better experience on high-DPI displays.
- Performance optimization during large message broadcasts.
Core Features of LanSend
LAN-Based Message Delivery
Send instant messages to one or multiple computers across your network—without requiring any internet connection, cloud platform, or server setup.
Targeted or Broadcast Messaging
Choose from:
- Specific users or workstations
- Active Directory groups or domains
- Broadcast to all available network devices
Message Templates
- Save commonly used messages (e.g., “Scheduled maintenance in 10 minutes”) as templates.
- Supports template library with dynamic fields (like %username%, %hostname%).
No Installation on Remote PCs
Messages are delivered using Windows messaging protocols (Net Send / MSG.EXE equivalent), meaning there’s no need to install any software on the target machines.
Automatic Network Scanning
LanSend can automatically detect available devices and users on your LAN using NetBIOS and WMI queries. It displays:
- Device name
- Username
- OS version
- Online status
Simple User Interface
- Easy-to-use, single-window interface.
- Multi-select targets with search and filtering.
- Real-time message status confirmation.
Who Uses LanSend?
LanSend is built for IT professionals, system administrators, help desk operators, and network managers in environments where fast local messaging is needed, but email or chat apps are overkill or too slow.
Use Cases Include:
- Sending maintenance alerts before rebooting servers or endpoints.
- Notifying users of urgent security updates or policy changes.
- Announcing power outages or system shutdowns.
- Communicating across closed or air-gapped networks.
System Requirements
| Component | Specification |
|---|---|
| OS | Windows 7, 8, 10, 11, Server 2008+ |
| Network | LAN (TCP/IP) |
| Memory | 512 MB+ |
| Admin Rights | Required for sending messages |
💡 Note: The target PCs must have the “Messenger” service enabled (for legacy systems) or support MSG.EXE (for modern Windows environments).
Licensing and Pricing
LanSend is available under both free trial and commercial licensing models:
- Free Trial: Full-featured trial with limited usage period.
- Personal License: For small office/home networks.
- Business License: Starting around $39.95 USD per admin seat.
Pros and Cons
| Pros | Cons |
|---|---|
| Lightweight and easy to deploy | Limited to Windows environments |
| No need to install software on recipients | Requires admin access and enabled messaging services |
| Great for secure, air-gapped networks | One-way messaging only (no replies) |
| Ideal for quick alerts or IT broadcasts | Not a replacement for real-time chat or collaboration |
Conclusion
LizardSystems LanSend 3.3.1 Build 117 delivers a focused, secure, and efficient solution for network-based messaging. Its simplicity, reliability, and zero-dependency design make it especially useful in secure, controlled environments where cloud-based tools are off-limits or unnecessary.
For IT professionals who need to communicate clearly and instantly across a LAN—whether for emergency alerts, maintenance warnings, or general notices—LanSend remains a trusted and indispensable tool.