Recently, networking has become “dicey” between Windows 10 machines as well as Windows 7. We have spent many support hours trying to figure out the problem and then coming up with a “unified” solution. There is another article Here, however things have become worse and not better, since then.
PROBLEM:
After configuring all the network connection properties for sharing without a password in a LOCAL network, the other computers can NOT see or connect to the “Shared” folders and printers.
After trying MANY things, here is a remedy that we found and it seems to be repeatable.