Mac mini Server (Mid 2011): Cannot NetBoot to Diagnostic image by holding F1 key during startup

After setting up an Apple Server Diagnostics NetBoot image for Mac mini Server (Mid 2011), NetBoot may not complete when you try to NetBoot a Mac mini Server by holding down the F1 key at startup.

This article has been archived and is no longer updated by Apple.

Download and install the Mac mini EFI Firmware Update 1.4.

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