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Etabs License Not Recognized Error 120 Extra Quality | CERTIFIED – 2025 |

Error #120: License Not Recognized typically indicates that the software can see a license file, but it is incomplete, corrupted, or mismatched with your system's current hardware signature CSI Knowledge Base Immediate Fixes Deactivate and Reactivate : For standalone licenses, the standard CSI America Knowledge Base recommendation is to deactivate the license via CSILicenseAssistant.exe (found in the CSiLicensing

  • The lservrc or license file is missing, renamed, or contains invalid data.
  • ETABS is looking for the license in the wrong directory (e.g., after a software update or reinstall).

Cleaning Temporary Files: Deleting *.tb2 files in the C:\Windows folder and resetting toolbars within ETABS can occasionally clear UI-related license glitches. etabs license not recognized error 120

  1. Go to Control Panel > Programs and Features.
  2. Find "CSI License Manager" (not ETABS).
  3. Right-click and select Repair.
  4. Reboot your machine.
  • On server: check license manager logs for errors (missing file, port conflict, corrupt license).
  • On client: check ETABS start-up/log output for diagnostic messages or error codes.

Variable Value: Enter your server's IP address or computer name (use localhost if it's a standalone license). Restart ETABS. 3. Verify the "lshost" File ETABS checks a local text file to find the license server. Error #120: License Not Recognized typically indicates that

Several factors can contribute to the ETABS License Not Recognized Error 120. Some of the most common causes include: The lservrc or license file is missing, renamed,

How to Prevent Error 120 in the Future

Once you've fixed the error, take these proactive measures:

  1. Regularly Update ETABS Software: Regularly update the ETABS software to ensure compatibility with the license file.
  2. Verify License File: Regularly verify the license file for validity and ensure it is properly formatted.
  3. Monitor System Date and Time: Ensure the system date and time are correct to avoid license validation issues.
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