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Etabs License Not | Recognized Error 120 Work

Another application may be using port 1947. Common culprits: older Autodesk software, Gemalto USB dongle drivers, or Docker containers.

If you have tried all the above steps and Error 120 remains, gather the following and contact CSI technical support or your local distributor: etabs license not recognized error 120 work

CSI Support often provides a patched lserv.exe or a registry clean-up script for stubborn cases. Another application may be using port 1947

Error message example:
“License not recognized. Error code 120” CSI Support often provides a patched lserv

Once resolved, take these steps to avoid recurrence:

ETABS uses a file named lslicense.lic to locate the license server. If this file points to a wrong IP address or hostname, Error 120 appears.

If your internet is down, ETABS may fail to verify the license.