License Not Recognized Error 120 Work Fixed | Etabs

Sentinel RMS ties license encryption keys to specific hardware locks (Computer IDs) and system time metrics.

Displays a valid, unexpired end date and recognized license tier. Checks machine locking criteria.

: Changes to the host machine's hardware parameters, such as the Ethernet MAC address, CPU Info String, or UUID, invalidate the locking metrics.

Enter your official authorization code to re-activate. If the license is already active, click the option to Deactivate first, then click Reactivate to rebuild the lservrc file cleanly. etabs license not recognized error 120 work

Navigate to the ETABS installation folder (usually C:\Program Files\Computers and Structures\ETABS [Version] ). Run CSILicenseAcquisition.exe as an administrator. Select .

Paste your valid activation code to regenerate the local license file.

(found in the installation folder) to confirm that the "Computer ID" or "Ethernet Address" matches the details provided when the license was generated. Examine Logs : Check the CSI_SentinelLM.log Sentinel RMS ties license encryption keys to specific

If you have tried all the above steps and are still facing the , the issue may require technical support from CSI. Make sure to: Collect the exact error message. Note your license type (Standalone or Network). Provide your Activation Key/License ID.

Ensure the Short Date displays precisely as M/d/yyyy or mm/dd/yyyy .

If you are in an office setting using a central license server, try these steps: 1. Update Sentinel RMS License Manager : Changes to the host machine's hardware parameters,

Before diving into the solutions, it is important to understand what triggers this issue:

Antivirus firewalls frequently block background scripts from generating machine locking codes ( wechoid.exe ), resulting in an empty or corrupted license structure.

CSI licenses are locked to multiple hardware factors, including your Ethernet Address, CPU Info, and UUID CSI Wiki . If you recently upgraded your computer, replaced a network card, or performed a major Windows update, the license will not recognize the machine.