Perlu Bantuan?
To resolve SOLIDWORKS connectivity issues, specifically when a client machine cannot communicate with the license or PDM server, modifying the Windows
The user edits the Windows hosts file (located at C:\Windows\System32\drivers\etc\hosts ) to manually map the license server's IP address to its hostname. solidworks host file block fix
: Third-party security software (like Webroot or ZoneAlarm) is preventing SolidWorks from writing to or accessing the necessary network pathways. Step-by-Step Fix Procedure Antivirus or endpoint protection quarantines/blocks
127.0.0.1 license-server
But why does this happen, and how do you fix it permanently without reinstalling Windows? But why does this happen, and how do
| | Solution | |-------------|---------------| | "Access Denied" when saving | You did not run Notepad as Administrator. | | Changes don't take effect | Windows DNS cache: Reboot or run ipconfig /flushdns . | | SolidWorks still activates | You missed a new server address. Use Wireshark to monitor SolidWorks outbound traffic. | | Internet is slow or broken | You accidentally blocked a critical domain (e.g., windows.com ). Remove bad lines. | | Antivirus restores old host file | Add C:\Windows\System32\drivers\etc\hosts to your antivirus exclusion list. |
Disclaimer: This article is for educational purposes only. The author does not condone software piracy. Always use licensed software.