Solidworks Host File Block 【EASY · 2025】

Type the following command and press : ipconfig /flushdns

This prevents new connections until is selected.

Before we discuss SolidWorks, we need to understand the battlefield: The Windows Hosts File. Solidworks Host File Block

: By mapping a software's activation or telemetry URL to a "dead" IP address like 0.0.0.0 or 127.0.0.1 , you effectively cut off the application's ability to reach that site.

: Sometimes used to prevent "blank" installation screens caused by the firewall or browser blocking necessary HTML files. Detailed Step-by-Step Configuration Type the following command and press : ipconfig

It is critical to understand that using the hosts file to block license validation falls squarely under the definition of “circumvention of a technological measure,” which is prohibited by laws such as the Digital Millennium Copyright Act (DMCA).

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. : Sometimes used to prevent "blank" installation screens

To implement a block, specific URLs are mapped to a null IP address. The domains target various sub-services of the Dassault Systèmes ecosystem:

Right-click it and select (this is critical for saving changes). Navigate to the Hosts File : In Notepad, go to File > Open . Browse to: C:\Windows\System32\drivers\etc\ .