Blog Post: How to Fix SolidWorks Installation Blocks via the Hosts File
If you are seeing errors like "Could not connect to the SOLIDWORKS server" or the Installation Manager hangs during the pre-check, your Windows hosts file might be blocking essential communication. Why is this happening? solidworks host file block install
Below is the definitive list for a SolidWorks host file block install. Copy these lines exactly. Do not add spaces where they don't belong. Blog Post: How to Fix SolidWorks Installation Blocks
Open Notepad as Administrator: Search for Notepad in your Start menu, right-click it, and select Run as Administrator. Phase 3: The List of Domains to Block
The hosts file is a protected system file. You must use an administrator account to modify it. Open the Start Menu and type Notepad. Right-click Notepad and select Run as Administrator. In Notepad, go to File > Open.
The hosts file is a plain text file that maps hostnames to IP addresses before the system queries external DNS servers.
Scroll to the bottom of the file, past any lines starting with #. Add a new line for each address you want to block. Format: [IP Address] [Hostname]
Blog Post: How to Fix SolidWorks Installation Blocks via the Hosts File
If you are seeing errors like "Could not connect to the SOLIDWORKS server" or the Installation Manager hangs during the pre-check, your Windows hosts file might be blocking essential communication. Why is this happening?
Below is the definitive list for a SolidWorks host file block install. Copy these lines exactly. Do not add spaces where they don't belong.
Open Notepad as Administrator: Search for Notepad in your Start menu, right-click it, and select Run as Administrator.
The hosts file is a protected system file. You must use an administrator account to modify it. Open the Start Menu and type Notepad. Right-click Notepad and select Run as Administrator. In Notepad, go to File > Open.
The hosts file is a plain text file that maps hostnames to IP addresses before the system queries external DNS servers.
Scroll to the bottom of the file, past any lines starting with #. Add a new line for each address you want to block. Format: [IP Address] [Hostname]