Why would Guest User suddenly be turned on without admin action?

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Level 6

19,103 points

Why would Guest User suddenly be turned on without admin action?

Tonight when I started my Mac, the Guest User account appeared in my list of accounts (on the sign-in screen). After logging into my admin account, I checked System Prefs and the Guest User account was indeed enabled. I did not do this. I never enable Guest User on any of my Macs. How might this have happened?

(I did disable the Guest User account in SysPrefs and restarted my Mac just for good measure. It's no longer enabled at this point. And btw, I checked and have no reason to believe there is any malware on my Mac.)

iMac, macOS High Sierra (10.13.2), 27in/2.7GHz i5/8GB RAM/1TB+10TB

Posted on Mar 26, 2018 7:24 PM

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Answer 1

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tygb

Level 9

64,588 points

Mar 27, 2018 5:35 AM in response to MartinR

No , not like that I am single Mac user ( had always an admin account ) , guests never are enabled in Mac , used these settings always .This is for system preferences > iCloud > find my Mac is checked and in location service the box is checked , it was slight flaw previously now using Mac OS high Sierra 10.13.3 this problem never occurred , may with the help of all upcoming updates .See this article macOS Sierra: Use Find My Mac

And guests have very less privileges they can only browse read this article macOS Sierra: Guest user pane of System Preferences

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Answer 2

tygb

Level 9

64,588 points

Mar 26, 2018 10:22 PM in response to MartinR

Faced the same issue in previous version , like in users and groups - guest account box was suddenly checked inspite , there is only a single administrator , but using Mac OS high Sierra 10.13.3 there is no issue at least , you can send a feed back report Product Feedback - Apple

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Answer 3

MartinR Author

Level 6

19,103 points

Mar 27, 2018 5:03 AM in response to MartinR

Further thought ...

As I researched what might have enabled the Guest User account, I remembered that earlier in the day I had enabled Find My Mac which in turn required me to enable Location Services (both had previously been disabled since installation). I wonder if that may have been what enabled the Guest User account ...

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Answer 4

John Galt

Level 10

141,180 points

Mar 27, 2018 6:27 AM in response to MartinR

Guest User appears as a consequence of enabling Find My Mac.

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Why would Guest User suddenly be turned on without admin action?

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