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Allister Banks edited this page Mar 24, 2017
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Performing Protected Actions During Upgrade
A distribution payload-free package can run inside the OS X installation environment while the install/upgrade occurs as described in the readme. One function this allows is using csrutil to configure "safe" Netboot Server IPs if computers are regularly re-imaged across subnets.
More information on the necessity of this setting and further background can be found here.