Solidworks Host File Block Fix Guide

: Programs like SentinelOne, ZoneAlarm, and Webroot often lock the hosts file to prevent unauthorized modifications by malware.

: The hosts file may be set to "Read-only" or requires administrative privileges to modify. solidworks host file block fix

For SolidWorks PDM or network licenses to work when DNS fails, you must manually point the machine to the correct server IP. : Programs like SentinelOne, ZoneAlarm, and Webroot often

After unblocking and editing the hosts file, verify the connection using the PDM Connectivity Test Tool or by attempting to ping the server by name in the Command Prompt. If the connection still fails, check if the or SolidWorks Licensing Service are running and set to Automatic in Windows Services. After unblocking and editing the hosts file, verify

Before editing, ensure your security suite is not actively blocking access to C:\Windows\System32\drivers\etc\hosts .

: Navigate to Advanced Settings and uncheck "Lock Hosts File".