Solidworks Host File Block Fix ((link)) – Complete & Secure

Dassault Systèmes (the maker of SolidWorks) has long since moved past simple host-file checks. Here is why the "fix" fails today:

Right-click the menu and select Terminal (Admin) or Command Prompt (Admin) . Type the following command and press Enter: ipconfig /flushdns Use code with caution.

Look for lines at the bottom of the document that include solidworks , 3ds , or flexnet . 127.0.0.1 ://solidworks.com 127.0.0.1 ://solidworks.com 0.0.0.0 ://solidworks.com solidworks host file block fix

To resolve these network blocks, you must add static IP-to-hostname mappings directly to your Windows system files. Step 1: Gather Server IP Addresses

To fix the issue, follow these steps:

Once the file opens, you will see a mix of text lines starting with # symbols (which are notes/comments) and lines with IP addresses. Scroll to the very bottom of the document. Look for lines containing keywords like: solidworks 3ds flexlm ://solidworks.com

If the file remains inaccessible even after disabling security blocks: Navigate to C:\Windows\System32\drivers\etc . Right-click the file and select Properties . Dassault Systèmes (the maker of SolidWorks) has long

Look at the bottom of the file. Standard Windows installations usually end with descriptive comment lines starting with # . Scenario A: Removing Accidental Blocks

After saving, clear your local cache to ensure the new settings take effect immediately. Command Prompt ipconfig /flushdns PDM Connectivity Test Tool or a simple ping [Server Name] to confirm the connection is active. Troubleshooting Host File "Blocks" If you cannot save the file even as an administrator: Antivirus Interference: Software like SentinelOne Look for lines at the bottom of the

If your SOLIDWORKS PDM client cannot find the server, you can bypass DNS issues by mapping the server’s IP address to its name manually. GoEngineer Locate the File : Navigate to C:\Windows\System32\drivers\etc Open as Administrator Search for in the Start Menu. Right-click it and select Run as Administrator In Notepad, go to File > Open , change the file type to All Files ( , and select Add the Mapping