I can provide specific firewall rules or network troubleshooting steps based on your infrastructure.
If you have searched for the term you are likely standing at a crossroads. You may be troubleshooting a licensing error, or you may be attempting to use the software without a proper license.
Scroll to the bottom of the file and add the following lines to block SolidWorks license activation servers: Solidworks Host File Block
Are you managing a or a network network (SNL) license?
127.0.0.1 localhost 127.0.0.1 solidworks.com 127.0.0.1 licensing.solidworks.com 127.0.0.1 dsxclient.3ds.com 127.0.0.1 3ds.com I can provide specific firewall rules or network
As noted in Reddit discussions, antivirus software can lock this file.
Next, you must force Windows to forget its old, cached network paths. Scroll to the bottom of the file and
Dassault Systèmes is aggressive. They have a team dedicated to tracking IP addresses that attempt to activate multiple times from different locations. If you are a small business and they trace a cracked license to your static IP, you face fines starting at per instance.
: If the Hosts file doesn't fix it, ensure your firewall isn't blocking the specific ports SOLIDWORKS needs, such as 3030 (Archive), 1433 (SQL), or 25734/25735 (Licensing).
To ensure the operating system immediately recognizes the new rules without restarting the computer: Open the Windows (cmd). Type ipconfig /flushdns and press Enter . Risks and Side Effects of Host File Blocking
You receive messages stating, "Could not obtain a license for SolidWorks. The server is not responding."