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laz232

macrumors 6502a
Original poster
Feb 4, 2016
747
1,416
At a café near you
Over the years I've made mods to system files and prefs in an effort to get macOS to work with SMB (result: still slow).

In doing so I've modified /etc/nsmb.conf
and settings in
/Library/Preferences/SystemConfiguration/...

I would like to get back to a "clean" system - do macOS upgrades overwrite these files / prefs?
I would prefer not to do a clean re-install due to time involved on my work machine.
 
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