The lservrc file is damaged or missing.
Never edit trusted.lic in Microsoft Word. Use Notepad. Word adds hidden formatting that breaks the license.
This article provides a comprehensive guide to understanding and resolving this issue for good.
Why does this happen? The error occurs because the software's licensing subsystem—specifically the —cannot find or properly read all the necessary pieces of your license information. The issue is often caused by an incorrect activation process or a communication breakdown between the software and the license files. etabs license not recognized error 120
Enter your activation key if prompted, or click . 2. Clean Existing License Files
or contact their support team if the file continues to appear corrupted. CSI Knowledge Base Are you using a standalone activation key network license server for your ETABS installation? Licensing errors generated when running CSI software
Don't panic. In 90% of cases, Error 120 is not a license revocation but a network or configuration issue. This comprehensive guide will walk you through what Error 120 means, why it happens, and—most importantly—how to fix it permanently. The lservrc file is damaged or missing
| Pros | Cons | |------|------| | Network licenses allow flexible sharing across a team. | Error 120 is cryptic and requires admin-level troubleshooting. | | Standalone (USB) option available for frequent travelers. | License Manager tools feel outdated (based on FlexNet). | | | No clear error log explaining which feature is unrecognized. |
# Enter Server Static IP or Network Host Name Below 192.168.1.50 Use code with caution.
The coffee was still steaming when Leo tried to open ETABS for the Monday morning deadline. Instead of the familiar workspace, a cold, gray box appeared: "License Not Recognized. Error #120." The program terminated before it even began. Leo knew this usually signaled an incomplete license file Word adds hidden formatting that breaks the license
Before editing files, perform a full reset of the licensing chain.
In this guide, we will walk through the most common causes of Error 120 and provide step-by-step solutions to get your software up and running again.