Solidworks Host File Block Install May 2026

: If you are using SOLIDWORKS PDM and cannot connect to your server, you may actually need to add an entry to help the system find it. On a new line, type the [Server IP] followed by a [Server Name] . 4. Flush the DNS Cache

Standard users cannot save changes to system files. You must right-click in the Start menu and select Run as Administrator . 2. Locate the Hosts File

The Windows hosts file is a local plain-text file that maps hostnames to IP addresses, bypassing the standard DNS. solidworks host file block install

: Some antivirus programs (e.g., SentinelOne or ZoneAlarm) may lock or modify the hosts file to prevent unauthorized communication, inadvertently blocking legitimate SOLIDWORKS traffic. How to Fix a SOLIDWORKS Host File Block

Search the file for any lines containing "solidworks" or "activation". : If you are using SOLIDWORKS PDM and

In Notepad, go to and navigate to: C:\Windows\System32\drivers\etc\

: You must change the file type filter in the bottom-right corner of the open dialog from "Text Documents ( .txt)" to **"All Files ( .*)"** to see the file named simply "hosts". 3. Edit and Clean the File Flush the DNS Cache Standard users cannot save

Editing a Hosts File on Windows, Linux, and macOS | MasterDC