Nlm11.18.0.0-ipv4-ipv6-win64.msi May 2026
msiexec /i nlm11.18.0.0-ipv4-ipv6-win64.msi /quiet /norestart
The file nlm11.18.0.0-ipv4-ipv6-win64.msi is far more than a cryptic string of characters. It represents a robust, enterprise-grade network license management solution, fully equipped for modern dual-stack IPv4/IPv6 networks on 64-bit Windows platforms. Proper installation and maintenance of this package ensure that engineering teams can access high-value software licitly and efficiently, while IT administrators retain centralized control.
Whether you are deploying it for ANSYS, Autodesk, or another FlexNet-based application, following the steps and best practices outlined above will guarantee a stable, secure licensing environment.
Last updated: For software versions current as of late 2024 / early 2025. Always refer to your software vendor's official documentation for version-specific nuances.
The string "nlm11.18.0.0-ipv4-ipv6-win64.msi" appears to be a filename, specifically for a software installation package. Breaking down this string can give us insights into what the software might do and its characteristics. Let's dissect it:
ipv4-ipv6: This segment implies that the software supports both IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version 6). IPv4 is the fourth version of the Internet Protocol and is the most widely used version, though IPv6 is being increasingly adopted due to the limitations of IPv4, such as address exhaustion. Support for both indicates the software is designed to work across the current and next generations of Internet Protocols.
win64: This indicates that the software package is intended for a 64-bit version of the Windows operating system. This specificity is important because it tells users that this software will not run on 32-bit systems or non-Windows systems (like macOS or Linux) without possible emulation or compatibility layers.
.msi: This file extension stands for Microsoft Installer, which is a type of package file used by Windows to install and manage software. An .msi file contains compiled code and data that the Windows Installer service uses to install software. nlm11.18.0.0-ipv4-ipv6-win64.msi
This specific version is often included in:
The file nlm11.18.0.0-ipv4-ipv6-win64.msi is a legitimate, powerful, and enterprise-grade network license manager installation package, most likely part of Autodesk's or Flexera's licensing ecosystem. It brings robust dual-stack IPv4/IPv6 support, enhanced security over earlier versions, and smooth operation on modern 64-bit Windows systems.
Action items for IT admins:
If you found this file on your network without documentation, now you know exactly what it is — and how to manage it safely.
This article is for informational purposes. Always consult your software vendor’s official documentation for version-specific details.
The file "nlm11.18.0.0-ipv4-ipv6-win64.msi" is the Windows installer for the Autodesk Network License Manager (NLM), version 11.18.0.0. It is a critical utility used by IT administrators to manage software licenses for Autodesk products (like AutoCAD, Revit, and Maya) across a local area network (LAN). 1. Core File Identification Official Name: Autodesk Network License Manager (NLM). Version: 11.18.0.0 (released around July 2022). msiexec /i nlm11
Technology: Built on FlexNet Publisher (formerly FlexLM) license management technology. Platform: Windows 64-bit (win64).
Protocol Support: Dual support for both IPv4 and IPv6 network configurations, ensuring compatibility with modern networking environments. 2. Primary Purpose
The NLM allows a central server to manage a "pool" of licenses. When a user starts an Autodesk application, it requests a license from this server over the network.
License Check-out: When a product is launched, the NLM grants a license from the available pool.
License Check-in: When the product is closed, the license is returned to the pool for another user. 3. Key Components Included
Installing this .msi file typically deploys the following tools: lmgrd.exe: The main license server manager. Version 11
adskflex.exe: The Autodesk-specific vendor daemon that manages Autodesk licenses.
LMTOOLS.exe: A graphical user interface (GUI) utility used by admins to configure and troubleshoot the license server.
lmutil.exe: A command-line tool for license server management. 4. System & Deployment Requirements
Operating System: Windows 10 (64-bit) or higher/Windows Server equivalents. File Size: Approximately 7.6 MB.
Common Use Case: Often required for "Multi-user" or "Floating" license types provided by the Autodesk Support Page. 5. Security Note
Be cautious of third-party websites offering this file (e.g., sites mentioning "extra quality" or "repack"). Always download the official installer directly from Autodesk to avoid potentially malicious or modified versions of the software. To install the Autodesk Network License Manager
Once installed, this package turns a Windows machine into a network license server. Its core functions include:
Obtain nlm11.18.0.0-ipv4-ipv6-win64.msi from your official software vendor dashboard (e.g., ANSYS Customer Portal). Never download license manager files from third-party sites as they can be trojanized.

