Solidworks Host File Block [work] Guide

The Solidworks host file block is an essential feature for managing file access and ensuring data integrity. While it requires careful administration, its benefits far outweigh its drawbacks. With proper management and configuration, the host file block can significantly improve collaboration, productivity, and data security in Solidworks environments.

: If a client machine can "ping" a PDM server's IP address but cannot find it by name, the hosts file can manually map the name to the IP.

Are you managing or a Network License Manager (SNL) ?

Append lines at the end. Example:

If the file is clean but it still fails, try flushing your DNS cache by typing ipconfig /flushdns in the Command Prompt.

: If you are trying to install and the screen is blank, right-click the installation HTML files (e.g., frameset.html ) and check Unblock in the Properties menu. Retired - SOLIDWORKS Forums

While blocking sometimes stops a check entirely, it can also cause the software to hang. If SolidWorks expects a quick response from a server and the connection is dropped or refused, the application may freeze for several minutes while waiting for the network timeout threshold to clear. Risks Associated with Unauthorized Hosts Modifications Security Vulnerabilities Solidworks Host File Block

Disabling validation can cause SolidWorks to enter "license not found" mode after a grace period (e.g., 30 days). Periodic online checks are required for most network and standalone licenses.

If you are looking for specific CAD or PDM features named "Block": File Locations Options - 2023 - SOLIDWORKS Design Help

(no extension).

: Scroll to the bottom of the file. On a new line, type your server's IP address , press the TAB key, and then type your server name . Example: 192.168.1.100 MyPDMServer Save and Exit : Save the file ( Ctrl + S ) and close Notepad. Why This Works

| Issue | Legitimate Solution | | :--- | :--- | | | Properly Activate Your License: Do not try to block validation. Open SolidWorks, go to Help > Deactivate Licenses , then reactivate it to refresh your activation status. | | Need to move a license to a new computer. | Use the Transfer License Feature: Go to Help > Transfer Licenses to properly deactivate the license on the old machine before reactivating it on the new one. | | SolidWorks is starting slowly. | Check SOLIDWORKS Rx: Use the built-in SOLIDWORKS Rx tool to diagnose and troubleshoot performance issues. | | Concerned about sent diagnostic data. | Disable Usage Statistics: Within SolidWorks, go to Tools > Options > General . Uncheck the options for "Collect usage statistics to improve product experience" and "Check for updates automatically" . |