Over the years, SolidWorks has used a dynamic set of domains for activation, validation, and telemetry. Based on firewall logs and community analysis, the following domains are critical to block for a completely offline installation environment. Note that this list evolves; Dassault may add new domains in service packs.
If you want to allow the installation of SolidWorks, simply remove the entries you added to the hosts file. solidworks host file block install
You might have a valid license key, yet the installation fails. Here is why admins use the host file block during installation: Over the years, SolidWorks has used a dynamic
Some SolidWorks network licenses rely on a "Heartbeat." If the software cannot ping the activation server every 30 to 90 days, it assumes the license is stolen and disables itself. Adding a block stops this remote kill-switch. If you want to allow the installation of
: Navigate to C:\Windows\System32\drivers\etc\ .