Solidworks Host File Block May 2026

In a typical piracy tutorial, you will see lines like this:

127.0.0.1 localhost
0.0.0.0 solidworks.com
0.0.0.0 licenses.solidworks.com
0.0.0.0 register.solidworks.com
0.0.0.0 activation.solidworks.com
0.0.0.0 geometricglobal.com
0.0.0.0 solidworkslicense.com

In the context of SolidWorks, a Host File Block refers to a specific list of URL addresses added to your computer's hosts file. This file acts as a local directory that maps hostnames to IP addresses. Solidworks Host File Block

By adding specific SolidWorks URLs to this file and redirecting them to 127.0.0.1 (localhost), you effectively block your computer from communicating with SolidWorks servers. This is typically done to prevent the software from "phoning home" to verify licenses or check for updates. In a typical piracy tutorial, you will see

At the bottom of the file, you will add lines that redirect SolidWorks servers back to your local machine (127.0.0.1). In the context of SolidWorks, a Host File

Common addresses to block include:

# SolidWorks Block List
127.0.0.1 localhost
127.0.0.1 solidworks.com
127.0.0.1 www.solidworks.com
127.0.0.1 login.solidworks.com
127.0.0.1 activation.solidworks.com
127.0.0.1 license.std.3ds.com
127.0.0.1 std.3ds.com
127.0.0.1 events.3ds.com
127.0.0.1 swym.3ds.com

Note: Dassault Systèmes frequently changes their server architecture. A list valid today may be obsolete tomorrow.