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: Things are Better: You will see things are better than what we are often lead to believe. (posted 2025-02-27 at 21:31:45). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-01-30 Pragmatic Libertarianism: Freedom is important. Maybe it's all that really matters..