Solidworks Host File Block Fix [portable] Access

The SolidWorks host file block fix typically refers to a manual DNS workaround to resolve connectivity issues between a SolidWorks PDM (Product Data Management) client and its server. This method bypasses DNS failures by hard-coding the server's IP address and name directly into the Windows hosts file. When to Use This Fix

Dassault Systèmes actively logs Hosts file tampering. In 2023, they updated the EULA to allow automatic scanning of the etc directory. If you are using a cracked version, the "SolidWorks Host File Block Fix" will not work long-term, because the software will detect the deletion of the crack lines and re-block itself or trigger a remote kill switch. solidworks host file block fix

The Real Risks of Applying This "Fix"

Beyond the fact that it simply doesn't work for modern versions (2018+), attempting this poses serious threats: The SolidWorks host file block fix typically refers

How SolidWorks uses the internet: When you start SolidWorks, it checks for three things: Click File > Save (Ensure there is no

Step 4: Save and Flush DNS

  1. Click File > Save (Ensure there is no .txt extension).
  2. Open Command Prompt as Administrator.
  3. Type: ipconfig /flushdns and press Enter.
  4. Type: nbtstat -R and press Enter.
  • Delete only those specific lines. Do not delete the # localhost line.
  • Save the file (Ctrl+S).
  • Go back to Properties and re-check "Read-only" (This prevents future malware from hijacking it).

    • To fix PDM connectivity or manually bypass DNS lookups for a SOLIDWORKS server: Open Notepad as Administrator

    If the hosts file is clear but you still face blocks, check your Windows Firewall: Open the Windows Firewall via the Control Panel.