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How to Fix License Manager in AutoCAD?

by Wei Zhang
4 min read

Understanding the AutoCAD License Manager

The AutoCAD License Manager plays a vital role in managing licenses for AutoCAD products, ensuring users can access the software correctly. When issues arise within the License Manager, prompts to resolve these concerns become essential.

Steps to Install License Manager for AutoCAD

  1. Initiate the Installer: Start by running the License Manager installer. Depending on your system, this may involve locating the setup executable file within your downloads or installation media.

  2. Set Up a Debug File: Create a text file named "debug" in an easily accessible location. This file is significant for troubleshooting and monitoring the installation process.

  3. Transfer License File: Copy your existing license file into the installation directory of the License Manager. This ensures that the manager has the necessary permissions to function effectively.

  4. Launch LMTOOLS Utility: You can access the LMTOOLS Utility in several ways: either double-clicking the LMTOOLS icon on your desktop or navigating to the installation folder and executing the LMTOOLS.exe file.

Repairing AutoCAD

If the License Manager or AutoCAD is malfunctioning, running a repair might be necessary.

  1. Access Apps & Features: Right-click the Start icon and select "Apps & Features" from the menu that appears.

  2. Select AutoCAD Version: Find your version of AutoCAD within the list and click on it, then press the "Modify" button.

  3. Choose Repair or Reinstall: You will be prompted to select between "Repair" or "Reinstall." Opt for "Repair" to initiate the process.

Recovering Your AutoCAD License

Should you need to recover your license, follow these steps:

  1. Open AutoCAD: Launch the AutoCAD application on your computer.

  2. Navigate to Help: Click on the "Help" menu, then select "About" followed by your product’s specific name.

  3. Check Product Information: In the window that appears, look for "Product Information" or "Product License Information" to retrieve your license details.

Opening the License Manager

To access the License Manager, follow these methods:

  1. Use Start Menu: Go to the Start Menu, navigate through "All Programs" → "Autodesk" → "Network License Manager," and click on "LMTOOLS Utility."

  2. Desktop Shortcut: If available, double-click the LMTOOLS Utility icon on your desktop for quick access.

  3. Manual Execution: Alternatively, find the LMTOOLS.exe file within the installation directory and run it directly.

Fixing AutoCAD License Issues

If you encounter license-related problems, perform the following:

  1. Delete User Files: Navigate to "C:\Users\\AppData\Roaming\Autodesk\ADUT" and remove all files in this directory.

  2. Clear ProgramData Files: Go to "C:\ProgramData\Autodesk\ADUT" and delete the files present in that folder.

  3. Remove Licensing Files: Proceed to "C:\ProgramData\Autodesk\CLM" and eliminate the folder named "LGS."

  4. Clean FLEXnet Files: Finally, access "C:\ProgramData\FLEXnet" and delete any files starting with "adskflex."

Licensing and Network Manager Setup

For a more robust licensing environment, set up the Network License Manager:

  1. Locate the lmgrd.exe: Find and browse to the executable file for the license manager daemon.

  2. Specify the License File: Identify the location of your license file and access it accordingly.

  3. Define a Debug Log: Choose a location for your debug log file—this will help in tracking any issues.

  4. Activate Service Use: Ensure you select the option to "Use Services" for a smoother operation.

  5. Automatic Server Start: To ensure the lmgrd.exe starts with your system, check the option to "Start Server at Power Up."

Updating the Autodesk License Manager

To ensure you’re using the latest version:

  1. Download the Latest Version: Visit the Autodesk Network License Manager website and download the most recent version.

  2. Stop the Licensing Service: Open LMTOOLS, go to the "Start/Stop/Reread" tab, select "Force Server Shutdown," and then "Stop Server."

  3. Proceed with Update: Follow on-screen instructions to complete the update installation.

FAQs

1. Why is AutoCAD not recognizing my license?
This could be due to corrupted License Manager files, incorrect installation, or missing license information. Follow the fixing steps outlined above.

2. How can I check if my AutoCAD license is up to date?
Open AutoCAD, go to "Help" → "About," and click on "Product License Information" for details regarding your license expiration and status.

3. What should I do if LMTOOLS does not open?
If the LMTOOLS utility fails to open, ensure that you have the proper installation files and permissions. You might also consider reinstalling the License Manager.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.

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