iPhone is disabled. Try again in 23,053,554 minutes

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Way back in Jan 2014 grabbed a test iPhone & after charging I was greeted with the above.

After various exclamations along the lines of “Holy fishsticks, Batman!” we did get the iPhone enabled & this did not involve a time machine or me waiting the 23,053,554 minutes for the device.

Below is how & some guess work as to what happened.

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Setup OSX Server as a Time Server

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Most of the Macs I support are mobile & it seems that around the with the  release of the “Unibody MacBook Pro” Apple stopped shipping Macs with a battery that would keep the Macs time even when the Macs main battery had died.

This means that if a Macs battery dies during travelling to another office, they’d not be able to login once there as the time would be more than 5 minutes out. Also, we heavily use SSL to secure things like our Wireless & many websites (JSS distribution points included).

So the solution was for me to setup my own NTP, that would both sync with my domains NTP & be externally accessible for those mobile users on the road.

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How To: Check Your Active Directory Domains Time

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So far I have posted 2 blog posts on How To: Set a Macs Time Server & How To: Sync Time With NTP via Script. Well, why am I posting this?

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How To: Set a Macs Time Server

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A recent post showed how to forcibly update a Macs time against a given NTP server, i’ve since been asked how to set the Macs NTP server.

This post will try & show you how.

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How To: Sync Time With NTP via Script

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Time’s a blessing & a curse, but an absolute. When it comes to Active Directory & Kerberos, it’s very important.

The below script will try & sync the Macs time to the NTP server specified at $4 or hardcoded as a value for the NTPServer variable in the script.

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