I created a new Admin account in Sierra High and needed to delete the previous admin account which is marked now as the standard user. However, after unlocking as admin and selecting the respective user that I would like to delete, I see the - sign is marked as Grey.

enter image description here

This is all accounts and I would like to delete the mac user account,

$ dscacheutil -q user | grep -A 3 -B 2 -e uid:\ 5'[0-9][0-9]'
name: mac
password: ********
uid: 501
gid: 20
dir: /Users/mac
shell: /bin/bash
name: chaklader
password: ********
uid: 502
gid: 20
dir: /Users/chaklader
shell: /bin/bash

How do I delete the respective account? I find a code snippet to run on the terminal, i.e, sudo /usr/bin/dscl . -delete "/Users/mac". Should I try that and will work out?


As an answer suggested, I'm not logged in to the the fast user switching menu.

enter image description here

As it was asked, I run who in the terminal and get the result,

$ who

chaklader console  Dec 28 06:01 
chaklader ttys000  Dec 28 14:51

So, in brief the other user, mac was not in the terminal.

  • Does converting the standard user to an admin change anything? – drivec Dec 27 '17 at 18:01
  • You most probably can’t remove the mac user because it is active and locks system ressources (for example he might have mounted an external disk and be sitting on it). To check this possibility, enter the who in a terminal. – daniel Azuelos Dec 28 '17 at 8:49
  • I indeed upgraded to new SSD of 750 GB and the user I would like to delete was the main admin 👨‍💼 – masterX Dec 28 '17 at 8:51
  • @danielAzuelos see my updated question. – masterX Dec 28 '17 at 8:59
up vote 4 down vote accepted

I had a very similar problem to this. With the help of Apple Support I solved it. I posted the solution here: https://discussions.apple.com/message/33849669

Repeating that here, it is:

  • Boot into the recovery partition.
  • Choose Terminal from the Utilities menu --> Terminal should appear.
  • Enter: resetpassword at the prompt and hit return --> a new window/app should appear behind the Terminal window called "Reset Password"
  • Go through the steps to reset the password for the account you're trying to delete.
  • Restart the Mac and log back in as your main admin account.
  • Go to Users & Groups System Preferences pane, select the account you're trying to delete and hit the minus button.

Fixed it for me. Hope this helps!

  • hi david, I reinstalled the High Sierra OS due to its gets slow and decided to try your method. I can confirm that it works fine – masterX Sep 22 at 14:11

The – button is greyed out for a user when the user is still logged in with Fast User Switching. Log out the other user you're trying to delete, then return to System Preferences with this user account and try again. You can restart to be sure that user is inactive as well.

You can delete a user from command line and you need to be careful you have the exact short name correct or you will erase the wrong data. In this case, the short name is mac. Run the following to delete the user and separately delete the user's home folder. If you want to keep the home folder, don't run the rm command.

sudo dscl . delete /Users/mac
sudo rm -rf /Users/mac

If the dscl command fails, reset the password on the account and retry the above commands.

sudo passwd mac
  • Comments are not for extended discussion; this conversation has been moved to chat. – bmike Sep 8 at 22:03

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