Solidworks Host File Block Install [Deluxe ◎]

Are you getting a (like 1603 or a connection timeout) during the installation? Windows 10: Block ANY Website by Editing The Hosts File

I utilized the host file block method during a fresh install of SolidWorks 2024 on a high-security corporate network. The standard installation manager failed repeatedly at the "Initializing" stage due to firewall restrictions blocking callbacks to swdm.solidworks.com and activation.solidworks.com . solidworks host file block install

Verify that the command resolves to a public IP address rather than 127.0.0.1 or localhost . Are you getting a (like 1603 or a

: For modern cloud-connected versions, deleting the 3DEXPERIENCELauncher folder in C:\Programdata\DassaultSystemes\ and restarting can resolve stubborn installation hangs. 4. Summary Table of Resolutions Location/File Resolution Blank Install Screen \sldim\lang\english\HTML\frameset.html Right-click Properties -> Unblock Hosts Write Error C:\Windows\System32\drivers\etc\hosts Disable AV "Lock Hosts" setting; check Read-only status PDM Server Not Found C:\Windows\System32\drivers\etc\hosts Manually add [IP Address] [Server Name] Activation Blocked Windows Firewall Create Outbound Rule to "Allow connection" Verify that the command resolves to a public

: For license manager issues, blocking the host file may not be enough; you might need to create inbound/outbound rules in Windows Defender Firewall for ports 25734 and 25735 .

The hosts file method remains a and for environments where you already have a valid offline license. For modern SolidWorks releases with cloud-integrated licensing, more advanced network controls are necessary.

When installing SolidWorks in a professional environment, the client machine must often communicate with a license or PDM server. If your local network's DNS cannot resolve the server's name to its IP address, the installation or software launch may fail.