Etabs License Not Recognized Error 120 【PC】

If you are a structural engineer relying on CSI software, few things are as frustrating as trying to open a model to meet a deadline and being greeted by . This error effectively blocks access to ETABS, bringing your workflow to a grinding halt.

A: No, they are different. Error 122 usually means the software cannot find the necessary licensing components or the Sentinel driver at all. In contrast, Error 120 finds the licensing system but reports the specific license file itself as being incomplete.

Try to ping the server IP address or name from the client machine.

Navigate to the ETABS installation folder (usually C:\Program Files\Computers and Structures\ETABS [Version] ). Locate a file named . Open it with Notepad. etabs license not recognized error 120

Alternatively, add an exemption for the lservnt.exe file (usually located in C:\Program Files (x86)\Common Files\SafeNet Sentinel\Sentinel RMS License Manager ). 4. Update the csi_lm.ini File (Client Side)

Variable Value: Enter your server's IP address or computer name (use localhost if it's a standalone license). Restart ETABS. 3. Verify the "lshost" File ETABS checks a local text file to find the license server.

Windows Firewall or third-party antivirus software is blocking the communication port (usually 1139 or 1138) used by the CSI licensing service. If you are a structural engineer relying on

Right-click the time on your Windows taskbar and select .

was staring at the deadline for the skyscraper’s seismic analysis when the screen flashed a mocking red. The high-stakes project was due in four hours, but ETABS refused to cooperate, displaying the dreaded message:

Old or corrupted license remnants can confuse the Sentinel driver. Error 122 usually means the software cannot find

If your organization uses a concurrent network license server, Error 120 indicates your local workstation cannot properly fetch a seat from the server. 1. Configure the Environment Variable

If your company shares ETABS seats across a server pool via a concurrent token network, the client machine cannot read the server's tracking file. 1. Upgrade the Sentinel RMS License Manager

Navigate to the ETABS installation subfolder (often found under a CSiLicensing or Tools directory).

If you are a structural engineer or a modeler using CSI Software, encountering the message in ETABS can be frustrating. This error indicates that the software cannot communicate with the license server or cannot find a valid license key, stopping you from working on crucial projects.

This is a niche fix for computers that intermittently lose network connection or use VPNs. Installing a Microsoft Loopback Adapter creates a virtual, permanent network card. The license binds to this adapter, so it never "changes."