I finally turned on Screen Sharing on my Mac Mini so I can manage it from my MacBook while at home. Everything worked great. This morning I tried to connect, but the Mac Mini was not even visible in Finder. I had to go all the way to the basement, tap the keyboard, then the mini showed back up in Finder. I assumed this was sleep kicking in. I turned off sleep, but prefer not to have to. The purpose of the Mini is Media Server.