Etabs License Not Recognized Error 120 [updated]

Solving the ETABS "License Not Recognized" Error 120

  1. Close ETABS completely.
  2. On the license server computer (not your local PC), open Services.msc (Run → services.msc).
  3. Find the service named Sentinel RMS License Manager or Sentinel RMS Server.
  4. Right-click it and select Stop.
  5. Wait 30 seconds. Right-click again and select Start.
  6. On your local computer, restart your machine.
  7. Try launching ETABS again.

How to Fix Error 120

  1. Error message: The software displays an error message indicating that the license is not recognized.
  2. Failed to launch: ETABS may fail to launch or shut down immediately after launch.
  3. License validation failure: The software may not be able to validate the license, preventing you from accessing its features.

Common Causes of "License Not Recognized" (Error 120)

Your security software might be flagging the license check as suspicious activity.

6. Recommended Solutions

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