Nlm11.18.0.0-ipv4-ipv6-win64.msi

The nlm11.18.0.0-ipv4-ipv6-win64.msi file is the Windows installer for the Autodesk Network License Manager (NLM) version 11.18.0.0. This software is essential for managing network licenses for Autodesk products (like AutoCAD, Revit, etc.) across a network, supporting both IPv4 and IPv6 protocols. Installation Guide for nlm11.18.0.0-ipv4-ipv6-win64.msi

Download the File: Obtain the nlm11.18.0.0-ipv4-ipv6-win64.msi installer.

Run Installer: Double-click the .msi file on your desktop to launch the installation wizard. Follow Prompts: Proceed through the on-screen instructions.

Complete Installation: Once the installation wizard finishes, click Close. nlm11.18.0.0-ipv4-ipv6-win64.msi

Configure License Server: After installation, you will need to configure the Autodesk Network License Manager to manage your license file (.lic). Key Considerations

Version: This is a specific version (11.18.0.0) intended for Windows 64-bit systems.

Compatibility: This version supports hybrid IPv4/IPv6 networking. The nlm11

Common Source

This specific version is often included in:

  • Autodesk Network License Manager installers (2023–2025 product releases).
  • Flexera FlexNet Publisher 11.18.x distributions.
  • Downloads from vendor management portals (e.g., Autodesk Account → License Management).

Common Issues & Troubleshooting

| 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. |

Functional implications from filename

  • Built for modern Windows 64-bit platforms — may use 64-bit-only dependencies or drivers.
  • IPv4+IPv6 support suggests:
    • Software has been updated for dual-stack networks and possibly to work in IPv6-only or mixed environments.
    • Considerations for address handling, DNS (AAAA records), socket APIs, and firewall rules are likely implemented.
  • Version 11.18.0.0 suggests cumulative feature additions/bug fixes; not a beta-numbering like 0.x.

Typical Use Case

This file is used by IT administrators or engineering teams to: Common Issues & Troubleshooting | Problem | Likely

  1. Install a network license server on a dedicated Windows 64-bit machine.
  2. Configure license files to use both IPv4 and IPv6 addresses.
  3. Serve licenses to client software (e.g., AutoCAD, Revit, Inventor, Maya) on the same network.

Error: "The installer was interrupted before nlm11.18.0.0 could be installed"

  • Cause: Existing NLM service from an older version.
  • Fix: Stop the existing license service using LMTOOLS or Services.msc (look for "ANSYS Licensing Service" or "FLEXlm License Manager").

Verdict: Likely Safe, but Bloatware

This file is the Microsoft Network Location Awareness (NLA) Service Locator installer, specifically version 11.18.0.0. It is a legitimate component developed by Microsoft, often bundled with drivers for Intel network adapters or distributed via Windows Update channels.

However, for the vast majority of users, you do not need to manually install this.


Installation and deployment considerations

  • Installation command examples:
    • Interactive: double-click the MSI.
    • Silent: msiexec /i nlm11.18.0.0-ipv4-ipv6-win64.msi /qn /norestart
    • Logging: msiexec /i nlm11.18.0.0-ipv4-ipv6-win64.msi /l*v install.log
  • System requirements to verify:
    • 64-bit Windows OS supported versions (check vendor docs).
    • .NET runtime if components target .NET (check for bundled frameworks).
    • Administrative privileges required for MSI install, service installation, driver installation, or registry writes.
  • Network considerations:
    • Firewall rules: may need inbound/outbound port openings for both IPv4/IPv6 addresses.
    • Dual-stack behavior: confirm whether it prefers IPv6 when available, or requires explicit config to bind to :: or 0.0.0.0.
    • DNS: ensure AAAA records and reverse DNS for IPv6 if the service expects it.
  • Security:
    • Verify digital signature of the MSI before installing.
    • Check for signed drivers if kernel/network drivers are included.
    • Review release notes for CVEs or security fixes in 11.18.0.0.
  • Upgrade and compatibility:
    • Back up config/registry keys before upgrade.
    • Check compatibility notes for major-version changes (from 10.x to 11.x).
    • MSI product code vs. upgrade code: determine whether this MSI will perform an in-place upgrade or install side-by-side.