Run the installation as an to ensure the installer has permission to write to the registry. When to Contact Support
If none of the above steps resolve the error, contact CSI support for further assistance: etabs license not recognized error 120 work
ETABS "License Not Recognized" Error #120 typically indicates that the license file is incomplete or cannot be verified by the Sentinel RMS License Manager CSI Knowledge Base Immediate Solutions for Standalone Licenses Run the installation as an to ensure the
Follow these troubleshooting methods in order, proceeding from the most common quick fixes to advanced configuration adjustments. 1. Verify and Renew the License File Verify and Renew the License File CSI Support
CSI Support often provides a patched lserv.exe or a registry clean-up script for stubborn cases.
For structural engineers, ETABS is an essential tool for building analysis and design. However, few things are as frustrating as opening the software, only to be met with a error—specifically, Error 120 . This error, which often states that the "License file is incomplete" or invalid, can grind production to a halt.
When you launch ETABS, the software sends a "handshake" request to the license manager on port (default for Sentinel RMS). Error 120 appears when: