Depending on your version, the license information is typically stored or referenced in these directories: C:\Program Files (x86)\Lectra\Modaris C:\ProgramData\Lectra\License ⚠️ Common Troubleshooting
Hosted on a central server using the Lectra License Server tool. This allows multiple pattern makers on a local network to share a pool of available Modaris licenses, checking them out as needed. Key Components of Lectra’s Licensing System
With the software installed, it's time to activate your license:
Check the file properties or names to ensure the license serial number matches your hardware ID. You cannot copy a soft license file from one PC to another; you must request a migration from Lectra. 3. Error: "License Expired" Lectra Modaris License File
Lectra actively monitors software compliance. Using unauthorized license files can lead to severe financial penalties and lawsuits for copyright infringement.
Check that the USB dongle is plugged into a working port. If using a network license, check your internet or local network connection to ensure the server is reachable. "Invalid License File Structure"
Are you using a or a software-based license ? Depending on your version, the license information is
Open the or CodeMeter Control Center . Select License Activation or Request License .
Lectra Modaris is the fashion and apparel industry's leading software for 2D/3D pattern cutting, grading, and prototyping. To protect its intellectual property and ensure proper usage, Lectra employs a robust licensing system. If your design studio, manufacturing plant, or freelance practice relies on this CAD software, managing the correctly is critical to maintaining an uninterrupted workflow.
: Check that your firewall isn't blocking the Lectra license service, especially for network licenses. You cannot copy a soft license file from
A Lectra Modaris license file is a secure data file generated by Lectra that unlocks specific software features, modules (such as Expert, Classic, or 3D Fit), and grading capabilities on a user's computer or network server.
Without a valid license file, Lectra Modaris either refuses to launch entirely or reverts to a "Viewer Mode" where saving and editing are disabled. For production environments, a missing or corrupted license file translates directly into:
This shows all features, users, and expiration dates.
For enterprise customers, the process is managed through Lectra's sales or support teams, often culminating in the delivery of a license file and, if applicable, a physical FLEXid USB key.
1. Error: "License File Not Found" or "No Valid License Available"