Delete the folder containing license information (typically in the ETABS installation directory or under C:\ProgramData\Computers and Structures ).
. This is often a result of local machine settings or corrupted license files rather than a missing license entirely. CSI Knowledge Base Primary Causes & Quick Fixes CSI Knowledge Base identifies several common triggers for this specific code: Incorrect System Date/Time license not recognized error 30 etabs 2016
Many users have found that Error 30 occurs when Windows is set to a non-US regional format. Open the and navigate to Region . In the Formats tab, select English (United States) . Ensure the short date format is MM/dd/yyyy . Restart ETABS to see if the error persists. 3. Use "RunAsDate" Utility CSI Knowledge Base Primary Causes & Quick Fixes
Last updated: 2025. This guide applies to ETABS 2016 running on Windows 7, 8, 10, and 11 (with compatibility mode if necessary). Ensure the short date format is MM/dd/yyyy
If these steps do not work, the license file itself might be corrupted or incomplete.
: The primary license file ( lservrc ) in the installation directory may be missing or contain invalid data.