Choose , click Next, select UDP , and enter 5093 in the Specific Local Ports box.

How to Fix ETABS License Not Recognized Error 120 Encountering in CSI ETABS can completely halt your structural engineering workflow. This specific error means the software cannot communicate with or validate your license file, whether you use a standalone local license or a network-based setup.

: The official "deactivate and reactivate" method is primarily for standalone licenses. If you are on a network license, the most effective solution is often to close ETABS and re-enter the server information. This is typically managed through an lmtools.exe utility or by verifying the LMHOST.ini file contains the correct server IP address.

Your annual trial or commercial license has run out.

Re-activate the license using the option to generate a new lservrc file. 5. Disable Security Software

Check the column. If it is blank, right-click the service and select Start . If it is already running, right-click and choose Restart .

Click the button under the "Synchronize your clock" menu. Restart ETABS to check if Error 120 is resolved. 2. Renew the Standalone License via NetKey

Firewalls are preventing communication with the license server.

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

Open the and navigate to Windows Defender Firewall . Click Advanced settings on the left panel. Click Inbound Rules , then select New Rule .

Right-click the clock in your Windows taskbar and select . Toggle Set time automatically to ON . Toggle Set time zone automatically to ON .

Scroll down to and click Add or remove exclusions .

Toggle on both and Set time zone automatically .

If you are seeing this on a client machine using a network license: Check Server Connection : Ensure the client can "see" the license server. Use LMHOST.INI : Create a file named LMHOST.INI

: Discrepancies between the system date and the license's valid period, or an unsupported regional date/number format.

Set the to the IP address or hostname of your license server (e.g., 192.168.1.50 or ServerName ). Click OK on all windows, restart your PC, and launch ETABS. 3. Restart the Sentinel RMS License Manager Service

Etabs License Not Recognized Error 120

Choose , click Next, select UDP , and enter 5093 in the Specific Local Ports box.

How to Fix ETABS License Not Recognized Error 120 Encountering in CSI ETABS can completely halt your structural engineering workflow. This specific error means the software cannot communicate with or validate your license file, whether you use a standalone local license or a network-based setup.

: The official "deactivate and reactivate" method is primarily for standalone licenses. If you are on a network license, the most effective solution is often to close ETABS and re-enter the server information. This is typically managed through an lmtools.exe utility or by verifying the LMHOST.ini file contains the correct server IP address.

Your annual trial or commercial license has run out.

Re-activate the license using the option to generate a new lservrc file. 5. Disable Security Software etabs license not recognized error 120

Check the column. If it is blank, right-click the service and select Start . If it is already running, right-click and choose Restart .

Click the button under the "Synchronize your clock" menu. Restart ETABS to check if Error 120 is resolved. 2. Renew the Standalone License via NetKey

Firewalls are preventing communication with the license server.

Right-click the time on your Windows taskbar and select . Choose , click Next, select UDP , and

Open the and navigate to Windows Defender Firewall . Click Advanced settings on the left panel. Click Inbound Rules , then select New Rule .

Right-click the clock in your Windows taskbar and select . Toggle Set time automatically to ON . Toggle Set time zone automatically to ON .

Scroll down to and click Add or remove exclusions .

Toggle on both and Set time zone automatically . : The official "deactivate and reactivate" method is

If you are seeing this on a client machine using a network license: Check Server Connection : Ensure the client can "see" the license server. Use LMHOST.INI : Create a file named LMHOST.INI

: Discrepancies between the system date and the license's valid period, or an unsupported regional date/number format.

Set the to the IP address or hostname of your license server (e.g., 192.168.1.50 or ServerName ). Click OK on all windows, restart your PC, and launch ETABS. 3. Restart the Sentinel RMS License Manager Service