File Sharing sometimes fails in macOS High Sierra after installing Security Update 2017-001. This should fix it...
Open the Terminal application (in Utilities folder, inside Applications folder). Enter this command: sudo /usr/libexec/configureLocalKDC Hit the return key. Enter your administrator password to authenticate with sudo. Quit out of Terminal.
Now try an AFP or SMB file sharing connection, which should now work.
I usually write a blog post about once a week. The latest post can be viewed here: Sack Them All!: Let's find all the corrupt and incompetent managers and sack them all! (posted 2024-07-24 at 19:47:48). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-04-30 The Fall of Rome: I'm afraid that we really might be seeing the demise of the greatest era in history..