Error 120 'link' - Etabs License Not Recognized

The ETABS "License Not Recognized" (Error #120) typically occurs because the software cannot find or verify a valid license file (lservrc) or because of system-level conflicts with date formats or administrative permissions. Common Causes

When to escalate / info to gather

If the above steps don’t resolve the issue, collect the following and provide when contacting IT or the vendor: etabs license not recognized error 120

1. Check for updates and install the latest version of ETABS.
2. Ensure that the updated version is compatible with your license file.

UUID Invalidity: If your computer lacks a valid UUID (showing as FFFFFFFF-FFFF-FFFF...), the license manager may fail to lock the software to your hardware. The ETABS "License Not Recognized" (Error #120) typically

Step 2: Verify Version Compatibility (The #1 Fix)

This is the fix for 70% of Error 120 cases. You must ensure that your license supports your ETABS version. Check for updates and install the latest version of ETABS

• If server-side licensing components may be corrupted, reinstall or repair the license manager software per vendor guidance.

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

1. Find your original license email. CSI licenses are sent as a trusted.lic file attachment.
2. Stop the Sentinel RMS service (as in Step 1).
3. Replace the file:

   Step 3: Verify Your License File Location (Network Licenses)

   For network licenses, ETABS needs to know where the server is. If the path is wrong, you get Error 120.