Best posts made by mkobi

The company acquired new branch that is operating their own domain server. We are retiring their domain and installed the company domain server.
What is the best way to transfer the user files from their previous domain server to the new domain server?
I will also need to retire their old file server and use the new file server. What’s the best practice to transition from old file server to new file server? We don’t want all the files from their old file server to be copied. Should we online the new file server on another network mapping while we make the old file server as read only until we take it down after a month. Whats the best practice?