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: On a new line at the bottom, type the IP Address , then a Tab space, then the Server Name . Example: 192.168.1.100 PDMServerName .
Press the on your keyboard to open the Start menu. Type Notepad into the search bar.
The issue is usually caused by the Windows host file ( C:\Windows\System32\drivers\etc\hosts ) blocking the connection to the SolidWorks license server.
127.0.0.1 activation.solidworks.com 127.0.0.1 register.solidworks.com 127.0.0.1 login.solidworks.com 127.0.0.1 solidworks.com 127.0.0.1 dsxclient.3dexperience.3ds.com 127.0.0.1 lmtools.dassault-systemes.com 127.0.0.1 licensing.3ds.com 127.0.0.1 swym.3dexperience.3ds.com 127.0.0.1 customersupport.solidworks.com 127.0.0.1 api.sw.solidworks.com
To fix SolidWorks licensing issues related to host file blocks, you typically need to remove specific entries that prevent the software from communicating with its license server. This often occurs when the host file has been modified to block Adobe or SolidWorks activation domains.
The Windows hosts file acts as a local address book that operating systems check before querying an external DNS server. When an IT network experiences latency, or a local router fails to translate a server name (e.g., PDM-Server-01 ) into a machine-readable IP address, SolidWorks throws connection timeout and license retrieval errors. Symptoms of a Host-Related Network Block
