In practice, this means your SOLIDWORKS client is trying to use a license that the server no longer recognizes as valid for that specific version or feature. Step 1: Reactivate the SolidNetWork License Manager
For official, legal installations, follow these steps to reset the connection: Reactivate the License Manager: Log into the server hosting the SolidNetWork License Manager Open the application and navigate to the Server Administration to halt the service, then click Activate/Reactivate your product license(s) and follow the prompts to update the subscription data. Reset the Server Service: Navigate to the FlexNet server folder in File Explorer. server_remove.bat as an administrator, then run server_install.bat to reinstall and reset the service. Disable Expired Add-ins: In practice, this means your SOLIDWORKS client is
If the registry fix does not work, the installation files themselves might be the issue. The error --8 544 0- can occur if the "Solid Network License Manager" client is damaged. server_remove
For the specific message, the issue is often that SOLIDWORKS cannot verify the computer identity. Resetting the registry keys often forces the software to "re-handshake" and validate the key correctly. For the specific message, the issue is often
If you are using a network license (SolidNetWork), the client machine may fail to reach the server due to firewall settings (missing UDP rules) or DNS failures. Resolution Strategies