Etabs License Not Recognized Error 120 [top] (2026)

How to Fix ETABS License Not Recognized (Error 120)

If you are an structural engineer relying on CSI software, few things are as frustrating as being ready to run a complex model, only to be stopped dead in your tracks by a licensing error.

1. Screenshot of the Error 120 message.
2. The License Manager Status report (from Step 1).
3. The contents of your lservrc file (blur out any personal keys if sharing publicly).
4. Your Windows Event Logs (System and Application).

Delete any existing text and type the IP address or Host Name of the license server. If you are using a standalone license, type localhost. Save the file and restart ETABS. Verify the Sentinel RMS License Manager etabs license not recognized error 120

If prompted during a reinstall, always select "Yes" to remove any previously installed native images. Step 3: Verify the License Manager Service How to Fix ETABS License Not Recognized (Error

(the default for Sentinel RMS) is open and not being blocked by a firewall or antivirus software. Re-run the License Activator: In the ETABS installation folder, find and run CSiLicensing.exe LicenseRequest.exe Verify OS-level limits: