Solidworks: Host File Block

Note: Domains can change. If the software manages to connect, you may need to use a network monitoring tool (like Wireshark) to identify new domains.

By pointing the old server name to 127.0.0.1 (the "loopback" address), she effectively told SolidWorks: "If you try to call this old server, you’re actually just calling yourself."

Blocking SolidWorks via the Hosts file is a "blunt instrument." Here is what can go wrong:

For more advanced troubleshooting, you can always check the Official SOLIDWORKS Support pages or consult with a technical partner like GoEngineer or MLC CAD Systems .

Follow these steps to manually add your server and restore your SOLIDWORKS connection:

The IT lead, Sarah, realized the issue wasn't the software—it was the Windows Host File . This file acts like a local phone book; if it has an entry for a name (like ://apex.com ), Windows won't even bother checking the internet or the network router. It just goes to the address listed in that "book." The "Block" and the Fix