Video: Apple MacOS High Sierra's biggest changes aren't visible
The patch -- which Apple rushed out in less than 24 hours -- can cause file sharing to stop working for some users, according to a support document published by Apple.
The fix itself is pretty straightforward, although does require users to be familiar with using Terminal:
- Open the Terminal app (which is in the Utilities folder of the Applications folder)
- Type sudo /usr/libexec/configureLocalKDC and press Return
- Enter your administrator password when requested and press Return
- Quit the Terminal app
Note that this fix is only for the file sharing bug caused by Security Update 2017-001 for macOS High Sierra 10.13.1. If you're running a different version, this patch isn't for you.
It's likely that Apple will push a patch for this bug as part of the macOS High Sierra 10.13.2 update.