Open , which is the default port used by Sentinel RMS.
Add an exception for (the license manager executable). etabs license not recognized error 120
: The Sentinel RMS License Manager service is not running. Open , which is the default port used by Sentinel RMS
If none of these steps work, it may be time to contact CSI Technical Support with your "echoid.exe" results to verify your license status. To help you resolve this more specifically: Are you using a or network license? Which version of ETABS are you currently running? etabs license not recognized error 120