If you are trying to open a legacy file using an older standalone or trial license that has expired, many users utilize a third-party utility called RunAsDate . This tool tricks the individual ETABS executable into launching under a specific past date (e.g., 2018) without altering your entire operating system's clock. 📂 Step 2: Regenerate or Fix the lservrc License File
this code to CSI support or your vendor to obtain a new activation code. license not recognized error 30 etabs 2016 best