Use the WlmAdmin.exe utility (typically found in C:\Program Files (x86)\Computers and Structures\Sentinel RMS... ) to check the expiration date of the license. If it is past its date, you must contact your administrator to renew it. 5. Add an LMHOST.INI File

: Some users report this specific error when installing ETABS on Windows 11 if not installed directly on the primary 2. Recommended Fixes Reinstall with Correct License Type Uninstall ETABS completely. Restart the installation and ensure you select "Use Standard License"

If you are on a network, the license on the server might have simply expired.