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| Version | IPv6 Support | Windows 11 Support | Security Features | | :--- | :--- | :--- | :--- | | nlm11.14.x | No | Limited | Basic | | nlm11.16.x | Experimental | Partial | Moderate | | nlm11.18.0.0 | Full dual-stack | Yes | Enhanced encryption |
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.
nlm11.18.0.0-ipv4-ipv6-win64.msi is the installer for Autodesk Network License Manager (NLM)
for 64-bit Windows systems. This utility, based on Flexera's FlexNet Publisher technology, manages product licenses across a network, allowing multiple users to share a pool of licenses. Key Features & Updates Dual-Stack Support
: The "ipv4-ipv6" in the filename indicates this version supports both IPv4 and IPv6 network environments simultaneously. Required for New Software
: Version 11.18 is often a prerequisite for newer Autodesk products (like Civil 3D 2025) or when using the Desktop Licensing Service v12.2
and above. Using an older NLM version can result in "Network License Not Available" errors. Lightweight Performance
: It is a low-resource utility designed to run on a central server without impacting overall server performance. Security Advisory
: Autodesk has previously advised against using the client-server encryption capability in version 11.18 due to identified occasional issues. Components Included The installer sets up the utility, which includes several critical executable files: : The main license daemon. adskflex.exe : The Autodesk-specific vendor daemon. lmtools.exe
: The graphical interface for configuring and managing the license service. lmutil.exe
: A command-line utility for license status and troubleshooting. Installation Best Practices Clean Upgrade
: You must uninstall any previous version of the Network License Manager before installing 11.18.0.0. Local Installation
recommends installing the NLM tools on a local drive of the server rather than a network-mapped drive Service Configuration
: For proper operation, ensure "Start Server at Power Up" and "Use Services" are both checked within the LMTOOLS "Config Services" tab.
For more technical details or to find the download, you can visit the Autodesk Network License Manager support page Are you currently encountering a license error or are you planning a server migration for your Autodesk products? To install the Autodesk Network License Manager
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).
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.
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
Q: Can I install this on a virtual machine (VM)?
A: Yes, but be aware that some license files are tied to the VM's MAC address. Ensure the VM has a static MAC.
Q: What is the difference between lmgrd.exe and this MSI?
A: lmgrd.exe is the actual license manager daemon. The MSI is the installer that places lmgrd.exe, lmutil.exe, and vendor daemons onto your system.
Q: Will this work on Linux?
A: No, the win64 tag explicitly indicates Windows. Linux versions exist but have different filenames (e.g., nlm11.18.0.0-linux-x64.tar.gz).
Q: How do I uninstall?
A: Use msiexec /x nlm11.18.0.0-ipv4-ipv6-win64.msi or go to Control Panel → Programs and Features → Uninstall.
Double-click nlm11.18.0.0-ipv4-ipv6-win64.msi and follow the wizard.
| Version | IPv6 Support | Windows 11 Support | Security Features | | :--- | :--- | :--- | :--- | | nlm11.14.x | No | Limited | Basic | | nlm11.16.x | Experimental | Partial | Moderate | | nlm11.18.0.0 | Full dual-stack | Yes | Enhanced encryption |
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.
nlm11.18.0.0-ipv4-ipv6-win64.msi is the installer for Autodesk Network License Manager (NLM)
for 64-bit Windows systems. This utility, based on Flexera's FlexNet Publisher technology, manages product licenses across a network, allowing multiple users to share a pool of licenses. Key Features & Updates Dual-Stack Support
: The "ipv4-ipv6" in the filename indicates this version supports both IPv4 and IPv6 network environments simultaneously. Required for New Software
: Version 11.18 is often a prerequisite for newer Autodesk products (like Civil 3D 2025) or when using the Desktop Licensing Service v12.2
and above. Using an older NLM version can result in "Network License Not Available" errors. Lightweight Performance nlm11.18.0.0-ipv4-ipv6-win64.msi
: It is a low-resource utility designed to run on a central server without impacting overall server performance. Security Advisory
: Autodesk has previously advised against using the client-server encryption capability in version 11.18 due to identified occasional issues. Components Included The installer sets up the utility, which includes several critical executable files: : The main license daemon. adskflex.exe : The Autodesk-specific vendor daemon. lmtools.exe
: The graphical interface for configuring and managing the license service. lmutil.exe
: A command-line utility for license status and troubleshooting. Installation Best Practices Clean Upgrade
: You must uninstall any previous version of the Network License Manager before installing 11.18.0.0. Local Installation
recommends installing the NLM tools on a local drive of the server rather than a network-mapped drive Service Configuration
: For proper operation, ensure "Start Server at Power Up" and "Use Services" are both checked within the LMTOOLS "Config Services" tab.
For more technical details or to find the download, you can visit the Autodesk Network License Manager support page Are you currently encountering a license error or are you planning a server migration for your Autodesk products? To install the Autodesk Network License Manager
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). | Version | IPv6 Support | Windows 11
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.
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 Version 11
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
Q: Can I install this on a virtual machine (VM)?
A: Yes, but be aware that some license files are tied to the VM's MAC address. Ensure the VM has a static MAC.
Q: What is the difference between lmgrd.exe and this MSI?
A: lmgrd.exe is the actual license manager daemon. The MSI is the installer that places lmgrd.exe, lmutil.exe, and vendor daemons onto your system.
Q: Will this work on Linux?
A: No, the win64 tag explicitly indicates Windows. Linux versions exist but have different filenames (e.g., nlm11.18.0.0-linux-x64.tar.gz).
Q: How do I uninstall?
A: Use msiexec /x nlm11.18.0.0-ipv4-ipv6-win64.msi or go to Control Panel → Programs and Features → Uninstall.
Double-click nlm11.18.0.0-ipv4-ipv6-win64.msi and follow the wizard.