SOLIDWORKS PDM relies heavily on server names. When DNS fails, the client machine "blocks" itself from seeing the vault until a manual entry is added to the host file.
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 Solidworks Host File Block
The SNL Manager communicates via ports 25734 and 25735 . If the host file doesn't point to the correct server, you’ll see "Could not obtain a license for SOLIDWORKS". SOLIDWORKS PDM relies heavily on server names
While often viewed as a "block," this is usually a that can be bypassed by manually configuring the Windows hosts file to act as a local directory. Understanding the Host File "Block" Step-by-Step: How to Unblock and Configure the Host
Change the file type filter in the bottom right corner from Text Documents (*.txt) to All Files to see the hosts file. 3. Add the Server Entry