Temporarily disable your antivirus and firewall during the troubleshooting process. If this works, add the entire and the lservrc file to your antivirus's exclusion list.
To resolve the "License not recognized" (Error 30) in ETABS 2016, follow these troubleshooting steps based on CSi America's official documentation 1. Verify System Date and Time Error 30 typically indicates that the license is not valid , often caused by a discrepancy in your system's date. CSI Knowledge Base
Once obtained, rename the new license text file to lservrc (remove any .txt extension). license not recognized error 30 etabs 2016 new
If you are on a network license:
A: Ensure the license manager (LM) server is running and reachable on your network. The client software must have a network path to the server. Verify your LICENSE.TXT or server settings point to the correct server name or IP address. Temporarily disable your antivirus and firewall during the
CSI software can sometimes fail to recognize licenses due to regional settings. CSI Knowledge Base Control Panel Change the "Format" to English (United States) or ensure it is set to mm/dd/yyyy CSI Knowledge Base 3. Refresh or Reactivate the License
For standalone (node-locked) licenses, the lservrc file may be missing or corrupt. Verify System Date and Time Error 30 typically
If the license was previously valid but is now throwing an error 30 due to a temporary, expired license, some users utilize a workaround by setting their system clock back.
: Some users find that blocking ETABS from accessing the internet via Windows Firewall prevents the software from attempting to verify the license against online servers that may mark it as invalid. Administrator Privileges