This prevents the software from opening and accessing the network or standalone license. Recommended Troubleshooting Steps: Restart the License Service: Services.msc on the license server (or local machine for standalone). Sentinel RMS License Manager Right-click and select Verify the License File: Ensure the file is present in the ETABS installation directory. Check if the license has expired. You can use the WlmAdmin.exe tool to verify the expiration date and number of users. Check Environment Variables: Ensure the system environment variable LSFORCEHOST
If the file is missing, locate the license file provided by CSI, copy it, paste it into this folder, and rename it to lservrc . 2. Regenerate the License via Computer ID
This is the solution that resolves the issue in 90% of cases. ETABS installs a driver called the "Sentinel Protection Installer" to manage licenses. If this driver becomes corrupted or fails to update, ETABS will throw Error 120. etabs license not recognized error 120
The computer does not know where to look for the license server.
Navigate to the ETABS directory path: .
This error usually triggers when the software can find a license file, but the data within that file is missing required segments or doesn't align with the machine's specific "Locking Code" (which includes the Ethernet address, CPU info, and UUID). Primary Fixes
By following this guide, you should be able to resolve the ETABS license not recognized error 120. If the issue persists, contacting CSI support with your license file and server details is recommended. If you'd like, I can help you: Identify the exact version of ETABS you are using. This prevents the software from opening and accessing
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In the ETABS installation folder, look for CSiLicensing.exe or LicenseRequest.exe . Run the tool as . Check if the license has expired
