The theory behind having the files locally and on the network are the same. We need to designate the locations where we want the files to be stored in the registry (albeit in the network location scenario all machines must have a separate folder configured only for them).

This registry key is located at:

HKEY_LOCAL_MACHINE\Software\Pharos\SignUp Client\ConfigFileDir

The key for network however is security. As we have to retrieve the file from the network before any authentication is possible, we need to allow that machine to provide access to null session shares.

Below is a link to Microsoft's Knowledge Base article 289655 on how to enable null session shares below:

http://support.microsoft.com/default.aspx?scid=kb;en-us;289655

Once again, enabling null session shares is a security risk and so we highly recommend that you do this only one a machine which you will not mind if security is compromised.