Solidworks Host File Block Fix (2026)

If you still cannot connect after updating the hosts file, the block may be at the firewall level:

There it was. At the very bottom of the text file, a series of lines had been added. They were redirecting the SolidWorks licensing URLs to 127.0.0.1 —the digital equivalent of a dead-end street. solidworks host file block fix

If your Archive and Database servers are on the same machine, you only need one entry. Select File > Save and close Notepad. Open the Command Prompt (type cmd in the Start menu). If you still cannot connect after updating the

This is the pure "Host File Block Fix" for 90% of users. If your Archive and Database servers are on

This redirects the license check to your own computer (localhost). Since your computer isn't running a SolidWorks license server, the software stops dialing home. Legally, this is a violation of the End User License Agreement (EULA). Technically, it worked for a long time.