Understanding the root cause and following a systematic troubleshooting guide can get you back to work in minutes. What Causes Error 120 in ETABS?
Open it with Notepad and ensure it contains only the hostname or IP address of your license server. Save and close. 4. Firewall and Antivirus Exceptions
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? etabs license not recognized error 120
: Firewalls or antivirus software preventing the "lsans.exe" process from communicating.
Temporarily disable your antivirus to see if the error persists; if it resolves, you need to whitelist the CSI folder. 5. Run the License Request Tool Understanding the root cause and following a systematic
📍 : Ensure both ETABS and the Sentinel RMS License Manager are the latest versions provided by CSI.📍 Static IP Addresses : If using a network license, assign a static IP to the server to prevent the LSFORCEHOST path from breaking.📍 Stable Internet : For cloud-based licenses, a flickering connection can trigger Error 120 mid-session.
Did this error occur after a or a hardware change? Save and close
Check if your "Locking Code" matches the one tied to your active license. Preventing Future License Errors