Solidworks Host File Block
In a professional setting, editing the hosts file is a common workaround when your computer cannot "find" the server hosting your SOLIDWORKS PDM (Product Data Management) vault.
Scroll to the bottom of the file and add the following lines to block SolidWorks license activation servers:
Security software like SentinelOne, ZoneAlarm, or Webroot may prevent modifications to the hosts file as a security measure. Solidworks Host File Block
: On a new line at the bottom of the file, enter the server's IP address, followed by a tab or space, and then the server name. Example: 192.168.1.100 PDM-SERVER-01
: She opened the Windows Host File (located at C:\Windows\System32\drivers\etc\hosts ) using Notepad as an Administrator. In a professional setting, editing the hosts file
Some users in air-gapped environments or behind strict firewalls use the hosts file to block outbound connection attempts to SolidWorks licensing servers, forcing a manual activation process. SolidWorks The Review/Scenario:
The Complete Guide to the SolidWorks Hosts File Block: Troubleshooting, Impacts, and Fixes Example: 192
Disclaimer: This guide is provided for educational and legacy troubleshooting purposes only. Modifying your hosts file to bypass licensing is a violation of the Dassault Systèmes Software License Agreement.
: Adding a manual entry to the hosts file ensures your machine always knows exactly where the server is located. How to Edit the Hosts File
: If you are trying to install and the screen is blank, right-click the installation HTML files (e.g., frameset.html ) and check Unblock in the Properties menu. Retired - SOLIDWORKS Forums