Etabs License | Not Recognized Error 120 Work ((free))
The "License not recognized" (Error 120) in ETABS typically indicates that the software finds the license file but considers it incomplete or invalid. This often stems from regional settings, corrupted installation entries, or activation desyncs.
Below are drafted posts tailored for different platforms to help you share the solution. Option 1: LinkedIn (Professional & Direct)
Headline: Troubleshooting ETABS Error #120: License Not Recognized
Getting hit with Error #120 just as you’re starting a model? You’re not alone. This error usually means your license file is seen as "incomplete" by the system. Here are the most effective ways to get back to work:
Fix Date/Number Formats: ETABS is picky about regional settings. Changing your PC date format to US (mm/dd/yyyy) often resolves the recognition issue immediately.
Reactivation: For standalone users, try deactivating and then immediately reactivating your license through the CSiLicensing tool.
Clean Reinstall: If the registry is corrupted, uninstall previous versions (including trials), reboot, and perform a fresh installation.
Check the CSI Knowledge Base for the official error breakdown.
#ETABS #StructuralEngineering #CSI #EngineeringSoftware #TechSupport Option 2: Technical Forum/Facebook Group (Casual & Helpful) Subject: Quick Fix for ETABS License Error #120 🛠️
If you're seeing "License not recognized" (Error 120), try these steps before you reinstall everything:
Change Regional Settings: Go to your PC settings and set the date/number format to United States (mm/dd/yyyy). This is a common fix for CSI software.
Toggle Activation: Open your CSiLicensing subfolder. Deactivate your standalone license and then reactivate it using your key.
Check Your Sentinel Driver: If you use a USB CID key, ensure the Sentinel System Driver is up to date and recognized in your device manager.
Run as Administrator: Sometimes the software just needs higher permissions to "read" the license file correctly.
For more details, check out this troubleshooting guide from CSI. Option 3: Short "Tech Tip" Post (X/Twitter style)
ETABS Tip: Stuck on "License not recognized" (Error #120)? 🏗️💻
Most of the time, this is a regional format issue. Switch your Windows date/number format to US (mm/dd/yyyy) and restart the app. If that fails, deactivate and reactivate your license via the CSiLicensing tool. Official fix info here: CSI Wiki #StructuralEngineering #ETABS #CivilEngineering Licensing errors generated when running CSI software etabs license not recognized error 120 work
Error #120: License Not Recognized typically indicates that the license file is incomplete or corrupted
. This error often persists even after updating the license and will cause the program to terminate. Core Solutions for Error #120
Depending on your license type, use the following steps to resolve the issue: For Standalone Licenses Reactivate
: Deactivate your current license and then perform a fresh activation. Check Computer ID (CID) WechoID.exe (found in the CSiLicensing
subfolder) to ensure the "Computer ID" checkbox is enabled and the computer recognizes your key. Update Sentinel Driver : If using a USB key or CID key, ensure the Sentinel System Driver is installed and up to date. Manage Native Images CSiNativeImageGen.exe utility found in the installation directory and select the Uninstall (F4)
option to clear any conflicting .NET native images that may interfere with license recognition. Verify Regional Settings In some cases, specific licensing utilities (like Standalonekey.exe
) fail due to date/number formatting. Changing your PC format to US (mm/dd/yyyy) can resolve hidden recognition errors. CSI Knowledge Base Essential Troubleshooting Tools These tools are located in the CSiLicensing subfolder within your ETABS installation directory: Computers and Structures, Inc. CSILicenseAssistant.exe
To check or change the current license mode (Standalone vs. Network) without reinstallation. WechoID.exe
To verify the locking code (Ethernet, CPU, or UUID) of your machine against your license file. lsdecode.exe
To view your current license type and expiration date to ensure it hasn't expired.
: Changes to your machine's hardware, including repairs or reformatting, can alter the locking criteria (UUID/Ethernet address) and cause the license to stop working. Always deactivate your license before performing major system maintenance. CSI Knowledge Base a web-activated license?
To fix:
- Right-click This PC → Properties → Advanced system settings → Environment Variables.
- Under System variables, select
Path→ Edit. - Add:
C:\Program Files (x86)\Common Files\SafeNet Sentinel\Sentinel RMS License Manager\bin\ - Click OK → Restart.
1. Restart the CSI License Service
- Press
Win + R, typeservices.msc, press Enter. - Find CSI License Manager (or Sentinel LDK License Manager).
- Right-click → Restart. If stopped, click Start.
1. Run ETABS as Administrator
- Right-click ETABS icon → Run as administrator
When to contact vendor support
- HostID mismatch that cannot be resolved, license file needs reissuing, or lmstat shows license server errors you cannot fix. Provide vendor with: server hostID, current license file, lmstat output, and log timestamps.
If you want, tell me: your OS (server/client), whether license is local or floating, and lmstat output — I’ll give exact commands and config lines.
To resolve the ETABS License Not Recognized Error #120 , you should primarily focus on re-authenticating your standalone license , as this error typically indicates an incomplete license file CSI Knowledge Base Primary Fixes for Error #120 Deactivate and Reactivate : For standalone licenses, use the CSiLicensing
tool to deactivate your current license and then reactivate it using your activation key. Check Date and Region Formats
: Ensure your Windows system date and number formats are set to US (mm/dd/yyyy) . Incorrect regional settings often prevent the StandaloneKey.exe from recognizing valid licenses. Verify the : Check for the existence of the file in the main ETABS installation directory (e.g., C:\Program Files\Computers and Structures\ETABS [Version]
). If it is missing or corrupted, the program will fail to recognize the license. CSI Knowledge Base Advanced Troubleshooting The "License not recognized" (Error 120) in ETABS
If the basic reactivation doesn't work, try these steps identified by Computers and Structures, Inc. (CSI) Administrative Privileges : Ensure you run the activation tool and ETABS as an Administrator
to give the software proper read/write access to license files. Network Ports : Verify that Ports 80 and 443
are open on your firewall, as these are required for the software to communicate with the CSI activation servers. Locking Code Validation echoid.exe wechoid.exe
utility in the installation folder to confirm your machine's locking code matches the one assigned to your license.
For further assistance, CSI recommends sending a screenshot of your locking codes and the file found in the CSiLicensing subfolder to their technical support team open the required firewall ports Licensing errors generated when running CSI software
Table_title: Licensing errors generated when running CSI software Table_content: header: | Error Code | Problem Description | row: CSI Knowledge Base Licensing errors generated when running CSI software
In ETABS, encountering the "License not recognized" (Error #120) typically indicates that the license file is incomplete or corrupted
. This error often pops up when the software cannot verify a valid activation or when system settings interfere with the licensing process. CSI Knowledge Base Common Causes & Solutions
To get your ETABS working again, follow these troubleshooting steps: Reactivate Standalone Licenses
: For standalone installations, the most effective fix is to deactivate the current license and then reactivate it using your activation key. Check Date and Time Formats
: Software from Computers and Structures, Inc. (CSI) can be sensitive to regional settings. Ensure your PC's date and number format US (mm/dd/yyyy) to prevent recognition errors. Verify System Date
: Ensure your computer’s current system date and time are accurate, as an incorrect clock can invalidate the license. Handle Corrupted Files
: If the license file itself is corrupted, you may need to contact CSI Technical Support for a replacement. Clean Reinstallation : Some users resolve persistent issues by uninstalling
the previous CSI native image, rebooting, and then performing a clean reinstallation as an administrator. CSI Knowledge Base Advanced Troubleshooting
If the basic steps above don't work, consider these more technical adjustments: Sentinel Drivers : Ensure the latest Sentinel RMS License Manager drivers are installed, especially if using a USB key. LMHOST.ini for Networks : If you are on a network license, create an LMHOST.ini
file in the installation folder containing the server’s IP address to help the client machine find the license. CSI Knowledge Base To fix:
For detailed guides on specific versions, you can refer to the official CSI Knowledge Base or check support videos on Are you using a standalone license on a single PC or a license managed by a server?
Deactivate and then reactivate your standalone license to resolve Error #120, as this code typically indicates an incomplete license file.
For older versions like ETABS 2016, users often encounter this error when the license has technically expired. Below are the standard and community-recommended steps to fix it: Primary Solutions
Deactivate and Reactivate: This is the official resolution provided by CSI America. Use the StandaloneKey.exe utility found in your installation folder to perform this.
Check Date and Time Settings: Inconsistent date or number formats on your machine can cause recognition issues. Ensure your system date is correct. Try setting your PC date/number format to US (mm/dd/yyyy).
Enable .NET Framework: Ensure .NET Framework 3.5 and 4.8 are enabled in the "Turn Windows features on or off" section of your Control Panel, as these are critical for the licensing engine. Version-Specific Workarounds (ETABS 2016)
If you are using an older version where the license period has ended, community members frequently use these methods:
RunAsDate Utility: Use the RunAsDate software to launch ETABS with a virtual system date (e.g., set to 2018 or 2019).
Note: When using this method, you must open the software through the utility's shortcut first, then load your models from within the program.
Manual Date Rollback: Temporarily changing your actual system date back by one or two months may allow the software to recognize the license long enough to launch.
Watch these guides for step-by-step visual instructions on fixing license recognition errors:
Primary Causes of Error 120
The error is rarely caused by a single factor. It is usually the result of one of the following three scenarios:
Resolving the Void: A Technical Deep Dive into ETABS License Error 120
In the high-stakes environment of structural engineering, few things are more frustrating than a "License Not Recognized" error moments before a critical deadline. Among the various hindrance codes encountered by users of CSI software (ETABS, SAP2000, SAFE), Error 120 stands out as one of the most common yet misunderstood roadblocks.
This error typically manifests with a message similar to: "License not recognized (Error 120)," effectively severing the connection between the software application and the license manager. While the error implies a missing license, the root cause is often far more nuanced, involving network protocols, firewall permissions, or file corruption.
This article provides a comprehensive technical analysis of why Error 120 occurs and offers a systematic approach to resolving it.