There is no official Autodesk feature called a “host file” for blocks. Most results pointing to a free host file are either:
It refers to
Your host file is useless without content. Here are the best resources for free, high-quality AutoCAD blocks: autocad block host file free
One of the largest libraries for architectural and engineering resources, though some content may require a premium subscription. There is no official Autodesk feature called a
: Autodesk recommends resetting the hosts file to its default state if you encounter connection errors during legitimate activation. Using unauthorized versions can result in the "Your AutoCAD license is not valid" message, which may require a complete uninstall and the acquisition of a legal license. Firewall Alternatives for Blocking Access : Autodesk recommends resetting the hosts file to
Save this host file on a Cloud drive (Google Drive, Dropbox, OneDrive). Link the "Recent Locations" in DesignCenter to this cloud path. Now you have a synchronised block host file across all your office computers for free.