Passive-Aggressive Configuration Management FTW

I was doing a little deep investigation of the Windows DNS Cache service today, and I discovered that the process checks for the existence of this registry value upon startup:

HKLM\System\CurrentControlSet\services\Dnscache\Parameters\DowncaseSpnCauseApiOwnerIsTooLazy

Needless to say, the configuration setting doesn't appear to be publicly documented.  Whatever it does though, I sense some latent hostility toward some API owner. It wouldn't be the first time Microsoft has let Registry settings with silly names slip through the cracks.

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