Nlm11.18.0.0-ipv4-ipv6-win64.msi -

msiexec /i nlm11.18.0.0-ipv4-ipv6-win64.msi /quiet /norestart

You would encounter this file if you are installing or updating a license server for one of the following software families (which rely on FlexNet Publisher or similar NLM technology):

Note: While the base name “nlm” is generic, always verify the digital signature of the MSI file to confirm it comes from a trusted vendor (e.g., Flexera, Autodesk, or ESET).

| Issue | Check | |-------|-------| | Service fails to start | View Windows Event Viewer → Application logs | | IPv6 clients cannot connect | Verify ping -6 <hostname> works | | MSI install fails | Run msiexec /unregister then /register, retry | | Port conflict | Change PORT in license file and restart service |


The file nlm11.18.0.0-ipv4-ipv6-win64.msi is a specialized but important component for organizations running network-licensed software in mixed IPv4/IPv6 environments. Its dual-stack capability future-proofs license management as networks transition away from IPv4. When deploying, always validate the file’s source, follow vendor-specific documentation, and test in a staging environment before production rollout.


Need to locate this file? Check your software vendor’s official download portal or the installation media of your licensed application. Avoid third-party download sites to prevent malware risks.

The keyword "nlm11.18.0.0-ipv4-ipv6-win64.msi" refers to the installer for the Autodesk Network License Manager (NLM) version 11.18.0.0. This critical utility allows organizations to manage multi-user licenses for Autodesk software, such as AutoCAD, Revit, and Maya, across a local network.

Starting in mid-2022, Autodesk mandated an upgrade to at least version 11.18 to support 2020 and newer software releases. Key Features of NLM 11.18.0.0

Dual Protocol Support: The "ipv4-ipv6" in the filename signifies support for both IPv4 and IPv6 network environments. nlm11.18.0.0-ipv4-ipv6-win64.msi

64-Bit Architecture: Optimized for 64-bit Windows operating systems.

FLEXlm Integration: Includes the FLEXlm Licensing Server Tools (such as lmgrd and lmtools.exe) required for managing license daemons.

Centralized Management: Allows a single server to handle license "check-outs" for multiple client workstations on the network. Installation Guide for nlm11.18.0.0-ipv4-ipv6-win64.msi

To ensure a successful deployment, follow these standardized steps: Autodesk Network License Manager for Windows

nlm11.18.0.0-ipv4-ipv6-win64.msi file is the installer for the Autodesk Network License Manager (NLM)

version 11.18.0.0. It is a critical component for organizations using multi-user (network) licenses to manage and distribute Autodesk software seats across a local area network. Core Functionality License Distribution

(FlexNet) technology to manage a "pool" of licenses, allowing multiple users to share a limited number of product seats. Protocol Support msiexec /i nlm11

: The "ipv4-ipv6" designation indicates it supports both standard IPv4 and newer IPv6 network configurations. Component Daemons : The installation includes two vital background processes: : The main license server manager. adskflex.exe : The Autodesk-specific vendor daemon. Compatibility & Requirements OS Support

: Verified for use on Windows 10, Windows 11, and Windows Server versions 2019, 2022, and 2025. Product Versioning

: This version was notably required for Autodesk 2022–2024 products. Failing to update to at least 11.18 can cause a "0.0.0 error" when launching products. Installation & Configuration

For a clean installation or upgrade, follow these standard steps: Preparation

: If an older version exists, it must be uninstalled via the Control Panel first.

file and follow the wizard instructions. The default installation directory is LMTOOLS.exe

utility (typically found on the desktop after install) to configure the server. Service Configuration : Under the Config Services tab, specify the paths for , your Autodesk license file, and a debug log file. Automation Use Services Start Server at Power Up to ensure the licensing service runs automatically. Activation : Go to the Start/Stop/Reread tab to start the server and verify status in the Server Status You would encounter this file if you are

For the most up-to-date files and detailed guides, refer to the Autodesk Network License Manager for Windows support page. for common errors like the 0.0.0 code Autodesk Network License Manager for Windows

| Problem | Likely Cause | Solution | |---------|--------------|----------| | Clients cannot check out licenses | Firewall blocking IPv6 traffic | Add explicit allow rules for TCP ports over IPv6. | | License server shows “No IPv6 route” | IPv6 stack disabled on Windows | Enable IPv6 in network adapter properties. | | Service fails to start | Corrupt license file or missing vendor daemon | Run lmutil lmstat to diagnose. |

In a corporate or academic environment with many users sharing a limited pool of software licenses, installing this MSI turns a Windows machine into a license server. Once installed and configured, it:

Verdict: This appears to be a legitimate, albeit niche, network utility installer. It is not standard Windows software or a widely known commercial antivirus, so it should be treated with caution if found unexpectedly.

Detailed Breakdown:

You can check the version using:

lmutil lmver

Expected output should show "11.18.0.0".

If you need the exact vendor documentation (e.g., Autodesk-specific license setup with this NLM), please specify the software suite (e.g., "Autodesk 2024") so I can refine the guidance.