Solidworks Host File Block Fix

Look for lines containing domains like ://solidworks.com or ://solidworks.com . Delete these entire lines to unblock the connection.

This method is commonly used with cracked or pirated versions of SOLIDWORKS to block communication with activation and validation servers.

Type the following command and press : ipconfig /flushdns solidworks host file block fix

If your client machine cannot resolve the server name (DNS issue), you must manually map it to allow a connection to the SOLIDWORKS SolidNetWork License (SNL) Manager.

The Odyssey Client (VPN Software)

: Ensure the file is named exactly hosts and not hosts.txt .

Type the following command and press Enter: ipconfig /flushdns This ensures Windows clears its cache and looks for the "unblocked" addresses immediately. Look for lines containing domains like ://solidworks

: The hosts file may be set to "Read-only" or requires administrative privileges to modify.

: Inability to save changes because the file or its parent folder is marked as "Read-only" at the Windows system level. Type the following command and press : ipconfig

Look for any lines containing words like solidworks , 3ds , flexlm , or activation . Examples of problematic lines include: 127.0.0.1 ://solidworks.com 127.0.0.1 lmlicenses.wibu.cloud