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I have a cart of iPads in my high school classroom. Each iPad is shared by several students in different classes throughout the day. A clever student in one class decided to lock one of them. We have already unlocked it by restoring it, etc., but I'd like to prevent this from happening in the future. I was noodling around with the new Apple Configurator this morning to force no passcode, but I couldn't find such a setting. The best I could come up with is to set my own passcode, device lock to never, and grace period the longest available (4 hours). That would mean, though, unlocking every single iPad for the students with my secret code at least once a day. Ugh.

Does anyone know of a way, official or unofficial, to prevent a user from setting a passcode on an iOS device?

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2 Answers

The apple configurator doesn't currently have this option.

The only workaround I've discovered so far is to register an exchange account with the iOS device using SSL. This forces the user to use a passcode, and disables the option to remove it. Now go into your exchange account settings on the iOS device, deselect "Use SSL" then go and disable the passlock. Now go back to exchange settings and re-enable "Use SSL". You should now find that 1) the passlock is no longer enabled and 2) the setting to turn on the passlock is gone. You should be able to disable all the sync settings so students don't start using that account for anything. (source)

If you don't have an exchange account you can use for this, set up a free google mail, and register it as the exchange account.

It may depend on the exchange server settings/policy, though, so some experimentation may be required.

Lastly, if you are using Supervised devices then the passcode will be reset when reconnected to the apple configurator. Still more work than desired, but quicker and more painless than a full refresh.

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Try adjusting the Passcode settings in the Apple Configurator Profile: Set the requirements to be as complex and inconvenient for the user as possible. It will be harder for the user to set a Passcode and, if the device does get locked, the student/teacher will have to contact the IT department for a reset (which will be necessary anyway if an iPad is locked and no one knows the Passcode).

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