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My account is a member of the sudo group on the server, so it should have all privileges. However, when I go to 'System Settings > User Accounts' in Gnome the 'Unlock' button is disabled. What do I need to do to be able to unlock this?

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up vote 3 down vote accepted

I don't know if this is a bug or the default behavior, but you can try running it as root.

gksudo gnome-control-center user-accounts
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I'm guessing it's a bug. Your solution works just fine. Thanks! – LoneWolfPR Feb 12 '13 at 19:31

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