Etabs License Not Recognized Error 120 !exclusive! Here

Fixing the “License Not Recognized (Error 120)” in ETABS: A Step-by-Step Guide

Few things are more frustrating than sitting down to meet a tight deadline, launching ETABS, and being greeted by the dreaded “License Not Recognized (Error 120)” message.

How to Fix ETABS License Not Recognized (Error 120)

If you are an structural engineer relying on CSI software, few things are as frustrating as being ready to run a complex model, only to be stopped dead in your tracks by a licensing error. etabs license not recognized error 120

• The CSI License Manager service is not running.
• A firewall or antivirus is blocking the communication.
• You are using the wrong version of ETABS for your license (e.g., trying to run ETABS v21 with a v18 license).
• The license path is incorrect or missing in the lservrc file.

Check your ETABS installation folder for a file named lservrc. It should not have a file extension (like .txt). Fixing the “License Not Recognized (Error 120)” in