Etabs License Not Recognized Error 120 High Quality Jun 2026

: Firewalls or antivirus software preventing the "lsans.exe" process from communicating.

The license file belongs to an older or newer version of ETABS than the one installed.

If the license server has rebooted, the licensing service might not have started automatically.

If prompted during a reinstall, always select to remove any previously installed native images. Step 3: Verify the License Manager Service

Open Control Panel > Programs and Features, and uninstall ETABS along with any Sentinel RMS License Manager entries. etabs license not recognized error 120

Your machine needs to know the exact IP address or hostname of the license server.

If the license file ( lservrc ) is missing or corrupted, you can try to reinstall it manually.

, locate "Sentinel RMS License Manager," right-click it, and select Sync Locking Codes echoid.exe wechoid.exe

The CSI Knowledge Base indicates that Error 120 frequently arises when running Standalonekey.exe due to non-US date formats. Open in your Windows Control Panel. Change the format to English (United States) . Ensure the date format is set specifically to mm/dd/yyyy . Restart your computer and attempt to run ETABS again. Step 2: Remove CSI Native Images : Firewalls or antivirus software preventing the "lsans

On the server machine, open Services (type services.msc in Windows search). Action: Locate Sentinel RMS License Manager . Action: Right-click and select Restart . 3. Configure Firewall Exceptions (Most Common Solution)

Run it as an administrator to view your machine's .

Paste the key into the activation field and hit . This overrides the broken lservrc file with a freshly minted one. 3. Configure the System Environment Variable

Corrupt native images can prevent the license from being recognized correctly. If prompted during a reinstall, always select to

Error 120 is different from Error 94 (No license available) or Error 492 (Cannot connect to server). Error 120 means the server heard you, but it doesn't recognize your request as valid.

The ETABS Error 120 is almost never a permanent license failure. It is a communication or configuration issue. By systematically checking version compatibility, refreshing the license file, updating the license manager, and verifying network paths, you can resolve this error in under 20 minutes.

Set the to Automatic to prevent future occurrences. 4. Refresh the Local License File ( lservrc )

A: No. Disable it only during installation and activation. After successful activation, you can re-enable it, but be sure to add ETABS as an exclusion if the error reappears.