: Firewalls or antivirus software preventing the "lsans.exe" process from communicating.
: Missing or incorrect system paths pointing to the license server.
Add an exception for (the license manager executable). etabs license not recognized error 120
Error 120 is a communication failure between the ETABS application and the licensing service. The most common culprits include:
The "ETABS License Not Recognized Error 120" is a frequent hurdle for structural engineers using Computers and Structures, Inc. (CSI) software. This error typically surfaces when the Sentinel RMS License Manager cannot validate your credentials, effectively locking you out of your design projects. : Firewalls or antivirus software preventing the "lsans
: The Sentinel RMS License Manager service is not running.
If the license file itself is corrupt, you may need to re-activate. Go to the ETABS installation directory. Run or LicenseRequest.exe . Error 120 is a communication failure between the
If none of these steps work, it may be time to contact CSI Technical Support with your "echoid.exe" results to verify your license status. To help you resolve this more specifically: Are you using a or network license? Which version of ETABS are you currently running?
Right-click it and select . If it isn't running, click Start . Ensure the "Startup Type" is set to Automatic . 2. Configure Environment Variables
Knowing these details will allow me to provide the exact file paths or registry keys you need.