Apple shares the solution for file sharing problems after the security update macOS High Sierra

Apple released a new support document this afternoon that helps users repair their file sharing options on their Macs after installing security update 2017-001 for macOS High Sierra 10.13.1, which was released this morning.

Shortly after the security solution was published and users started installing it, complaints about file sharing began to appear in the MacRumors forums . Affected users saw that file sharing was not authenticated on multiple Macs. From MacRumors reader joedec:

Immediately after installing this patch, file sharing can not be authenticated. I see this on multiple Macs. Waiting for some collaboration. […]

With the Finder open a shared file on any Mac with the security update installed. The status shows "not connected", when you try to "connect as" your username and pbadword fail.

According to the document, users of macOS High Sierra who can not access shared files after installing the security update must complete the following steps:

1. Open the Terminal application, which is located in the Utilities folder of your Applications folder.

2. Type sudo / usr / libexec / configureLocalKDC and press Return.

3. Enter your administrator pbadword and press Return.

4. Exit the Terminal application.

Readers of MacRumors who had problems sharing files have tested Apple's solution and have confirmed that it does work to solve the problem.

Apple issued the security update this morning to address an important vulnerability that allowed the root superuser on a Mac with a blank pbadword and no security verification.

The problem has been solved successfully on machines that run macOS High Sierra 10.13.1, the current release version of macOS High Sierra, but Apple has not yet addressed the vulnerability in macOS High Sierra 10.13.2, available for developers and public. beta testers.