VendorError=-18 [License server system does not support this feature.]
Are you using a standalone license or a network-based license for your office? Sentinel RMS License Manager - CSI Knowledge Base
Error 18 is part of the Sentinel RMS licensing system used by CSI. Understanding the "why" is the first step toward a fix:
The error 18 in SAP2000 related to a license not being recognized could stem from various sources. It might be due to a problem with the license server, issues with the software installation, or difficulties with the license file itself.
Navigate to the folder in your installation directory (e.g., C:\Program Files\Computers and Structures\SAP2000 18\ ). sap2000 license not recognized error 18 extra quality
Often, the easiest fix is allowing the built-in utility to repair the license link.
Ensure that SAP2000.exe and lserv.exe (Sentinel RMS License Manager) are allowed on both Private and Public networks.
To resolve this, follow this systematic troubleshooting guide. Start with the solution most likely to address your specific situation.
On the license server, press Windows Key + R , type services.msc , and press . Scroll down to find Sentinel RMS License Manager . Check the Status column. VendorError=-18 [License server system does not support this
A specific nuance of Error 18 on modern hardware involves driver signature enforcement. The "Extra Quality" crack often uses unsigned virtual drivers.
Add the SAP2000 installation folder to your antivirus list. 5. Reinstall the Licensing Utilities
The lservrc file contains invalid or expired data.
If you received a new license file from Computers and Structures, Inc. (CSI), copy it into this folder and ensure it is named exactly lservrc . 3. Configure the System Environment Variable It might be due to a problem with
Ensure your system date and time are set to "Set time automatically."
Security software mistakenly flags licensing components. Step-by-Step Resolution Methods 1. Restart the Sentinel RMS License Manager
: Antivirus software or Windows Firewall is blocking the CSI License Manager. Step-by-Step Solutions to Resolve Error 18 Step 1: Verify the Sentinel RMS License Manager Service