Installing a shared folder on the client and server that synchronize with each other

On the client!

Win.. is the server

Stand on Network with right mouse button.

Map Network drive

Browse to the server Win...

Click on Win...

User: Bert and password

Click on users and then on Bert



Try copying something to that folder on the Client.
Successful? Ok.
Then that should also be visible in Bert's folder on the server.

An error like the one below.
Then something needs to be done to the security settings on that folder of Bert on the server.