10.11.2: Cannot Enable ARD or VNC if /Library/Application Support/Apple/Remote Desktop is missing

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No-ScreenSharing

A issue was opened recently for AutoCasperNBI, where 10.11.2 NBI’s generated for not accessible over ARD or VNC.

Some digging revealed this this only affected NBI’s with the “Reduce Image Size” option selected.

NBI’s for 10.7.x – 10.11.1 work fine over ARD or VNC with that option selected, so some investigation was needed. Below is the investigative work, but you can also skip straight to the resolution.

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AutoCasperNBI, AutoImagrNBI & El Capitan

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The Captain

Update 25/10/15: The post has been updated with my findings & explains the additions in AutoCasperNBI & AutoImagrNBI where applicable.

On Wednesday Apple unleashed the 11th iteration of OS X, El Capitan.

This release has had a number of under the hood changes that have affected AutoCasperNBI & AutoImagrNBI, some like csrutil have been detailed here.  The two main issues can be found in greater detail below.

Now, don’t fret, these changes are not insurmountable. They just mean that neither AutoCasperNBI nor AutoImagrNBI will have 10.11 releases available for a few weeks.

This should be fine as there’s no urgency for 10.11 NBIs as, at the time of writing, all current Macs can boot to 10.10.

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