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Question

Disabling Fast User Switching 10.13 & 10.14

  • July 22, 2019
  • 5 replies
  • 35 views

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Is there a reliable way to disable fast user switching (programmatically or via profiles) in macOS 10.13 and 10.14?

Thanks, -- M

5 replies

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  • Valued Contributor
  • July 22, 2019

Here is the command:
defaults write /Library/Preferences/.GlobalPreferences MultipleSessionEnabled -bool 'NO'


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  • Valued Contributor
  • July 22, 2019

You can also create a profile to disable it, and with a profile they will not be able to bypass the setting. It is under LoginWindow -> Options


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  • Author
  • Contributor
  • August 8, 2019

Thank you very much, @mlizbeth and @tomhastings!


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  • Valued Contributor
  • April 1, 2020

I found this however doesn't stop concurrent user login (fast user switching) through remote access (screen sharing, ARD or VNC). It only removes the switch user on the lock screen.


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  • Contributor
  • April 24, 2020

scratch that