Open the from your Windows Start Menu. Navigate to the Server List tab.
: Programs like SentinelOne, ZoneAlarm, and Webroot often lock the hosts file to prevent unauthorized modifications by malware. solidworks host file block fix
How to Fix SolidWorks Activation and Licensing Issues via the Hosts File Open the from your Windows Start Menu
This process is for when you are a licensed user with connection problems. How to Fix SolidWorks Activation and Licensing Issues
SolidWorks network licensing relies on specific ports to communicate through your network. If the hosts file is clear, the firewall might still be dropping the packets.
SolidWorks relies on a stable connection between your local computer and its licensing servers to verify your software activation. When this connection is interrupted, misconfigured, or blocked by unauthorized modifications to your Windows Hosts file, you will experience activation failures, license server communication errors, or sudden software lockouts.
Look for any lines containing words like solidworks , 3ds , flexlm , or activation . Examples of problematic lines include: 127.0.0.1 ://solidworks.com 127.0.0.1 lmlicenses.wibu.cloud