Solidworks Host File Block ((free)) Jun 2026

The "SolidWorks host file block" usually refers to a technical workaround used to fix connection issues between a client computer and a (Product Data Management) server . This is necessary when your computer’s DNS (Domain Name System) cannot properly resolve the server's name to its IP address. Purpose of the Host File Block

fix. Long-term use of this workaround can lead to issues with network mapping and server maintenance. GoEngineer 2. SNL License Server Troubleshooting

What or code is appearing on your screen?

When you type www.google.com , your computer asks a DNS server for the IP address. However, the Hosts file acts as a . If you tell your computer that www.google.com points to 127.0.0.1 (your own machine), your browser will be unable to reach Google.

To block specific server connections or resolve DNS issues in SOLIDWORKS PDM , you must modify the Windows Local Hosts File using an entry that maps an IP address to a server name. Proper Text Entry Format Solidworks Host File Block

Highlight any lines containing solidworks.com that are prefixed with 127.0.0.1 or ::1 and delete them entirely. Step 4: Save the File and Flush DNS Click (or press Ctrl + S ). Close Notepad.

Antivirus programs like SentinelOne , ZoneAlarm , and Webroot may lock the host file to prevent malicious changes, which inadvertently stops legitimate network troubleshooting. Step-by-Step: How to Unblock and Configure the Host File

Understanding why this block occurs, how to identify it, and the step-by-step process to safely resolve it is essential for maintaining engineering uptime. What is a Hosts File Block?

When SOLIDWORKS attempts to activate a license or check a network license, it connects to SolidWorks servers. If an incorrect entry, a malicious modification, or an antivirus policy blocks these connections in the hosts file, SOLIDWORKS will fail to connect. Causes of a SolidWorks Host File Block A block in the hosts file can happen for several reasons: The "SolidWorks host file block" usually refers to

While it is technically possible to add entries like 127.0.0.1 licensing.solidworks.com , modern software will either crash, lock you out after 30 days, or silently report you to the license server via hard-coded IPs that ignore your HOSTS file.

There are two primary reasons why SolidWorks domain blocks appear in a local hosts file: 1. Security Software and Firewall Automation

: If the PDM Archive or Database server cannot be found by its name, adding it to the hosts file ensures the client connects directly to the correct IP.

Utilize group policies (GPO) or endpoint protection to alert IT if changes are written to C:\Windows\System32\drivers\etc\hosts . Legitimate business applications rarely need to modify this file. Long-term use of this workaround can lead to

If your organization utilizes genuine standalone commercial or educational licenses that require periodic online validation, blocking the activation servers will trigger validation errors, rendering the software unusable until the block is removed.

The Windows hosts file (located at C:\Windows\System32\drivers\etc\hosts ) is a local text file that maps human-readable hostnames to numerical IP addresses. Operating systems check this file before querying external Domain Name System (DNS) servers.

It is worth noting that in SolidWorks, a "Block" is also a standard CAD feature used to group sketch entities.

If you open a standard "readme" file from a cracked SolidWorks installer, you will usually see instructions to add the following domains to your HOSTS file: