Run LicenseRequest.exe located in the ETABS 18 installation folder.
Click on the button at the bottom right.
| Category | Common Causes | | :--- | :--- | | | CSI FlexNet License Manager not installed; service stopped; firewall blocking ports (27000-27009). | | Network Connectivity | Wrong server address specified; network outage; VPN issues (for remote access). | | File Corruption | Corrupted .lic license file; expired license; mismatched HostID/Computer Name. | | User Permissions | Lack of admin rights to run the License Manager; Antivirus quarantined license components. | | Version Conflict | Mixing ETABS 18 license manager with older CSI software (SAP2000, SAFE) without reusing ports. | unable to find a license etabs 18
Knowing which model you are using is the first step to diagnosing the problem.
With a sigh of relief, Rohan was able to complete his project design and submit it to his client on time. He learned a valuable lesson about backing up his license files and keeping them safe. From then on, he made sure to keep a copy of his license files in multiple locations and to regularly check for software updates. Run LicenseRequest
If you are running a standalone local license on your workstation, the program is failing to verify your specific digital or disk signature. Follow these protocols to verify its integrity: Verify the lservrc File
If these files are missing or incorrect, reinstating them from a backup or contacting your software provider for new ones is necessary. For licensed users, you can deactivate and reactivate the license using (available from the Windows Start menu) or the software's Help > License Information > Change Activation Key menu. | | Network Connectivity | Wrong server address
to identify the specific error code.
Re-enter your designated to renew or reactivate the license.
Inside the file, type only the or Name of your license server.
Click under Virus & threat protection settings .
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Run LicenseRequest.exe located in the ETABS 18 installation folder.
Click on the button at the bottom right.
| Category | Common Causes | | :--- | :--- | | | CSI FlexNet License Manager not installed; service stopped; firewall blocking ports (27000-27009). | | Network Connectivity | Wrong server address specified; network outage; VPN issues (for remote access). | | File Corruption | Corrupted .lic license file; expired license; mismatched HostID/Computer Name. | | User Permissions | Lack of admin rights to run the License Manager; Antivirus quarantined license components. | | Version Conflict | Mixing ETABS 18 license manager with older CSI software (SAP2000, SAFE) without reusing ports. |
Knowing which model you are using is the first step to diagnosing the problem.
With a sigh of relief, Rohan was able to complete his project design and submit it to his client on time. He learned a valuable lesson about backing up his license files and keeping them safe. From then on, he made sure to keep a copy of his license files in multiple locations and to regularly check for software updates.
If you are running a standalone local license on your workstation, the program is failing to verify your specific digital or disk signature. Follow these protocols to verify its integrity: Verify the lservrc File
If these files are missing or incorrect, reinstating them from a backup or contacting your software provider for new ones is necessary. For licensed users, you can deactivate and reactivate the license using (available from the Windows Start menu) or the software's Help > License Information > Change Activation Key menu.
to identify the specific error code.
Re-enter your designated to renew or reactivate the license.
Inside the file, type only the or Name of your license server.
Click under Virus & threat protection settings .