Etabs License Not Recognized Error — 120 Work ((exclusive))

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

Screenshots

of your locking codes from the CSiLicensing folder. etabs license not recognized error 120 work

: Registry corruption during installation can cause license recognition failures. You can try a new installation after a complete reboot to clear temporary conflicts. FixSerCom Utility : If you are on a network, an administrator can run the lsclean -fixsercom Keywords: ETABS license not recognized, Error 120 ETABS

• C:\Program Files (x86)\Common Files\SafeNet Sentinel\
• C:\ProgramData\SafeNet Sentinel\ (hidden folder)

Keywords:

ETABS license not recognized, Error 120 ETABS fix, Sentinel RMS not running, lslicense.lic missing, ETABS license server port 1947. Press Win + R

Enable .NET Framework

: Ensure .NET Framework 3.5 and 4.8 are enabled in the "Turn Windows features on or off" section of your Control Panel, as these are critical for the licensing engine. Version-Specific Workarounds (ETABS 2016)

• Press Win + R, type services.msc, press Enter.
• Find CSI License Manager (or Sentinel LDK License Manager).
• Right-click → Restart. If stopped, click Start.

To resolve the ETABS License Not Recognized Error 120, follow these step-by-step troubleshooting guides:

Check the lservrc File:

Navigate to your ETABS installation directory (usually C:\Program Files\Computers and Structures\ETABS [Version] ) and ensure the lservrc file is present.