Much thanks to those who provided me with a starting point as I never would have figured this out on my own.
The resulting report details important configuration issues, potential problems, and nondefault product settings.
Power Shell uses Kerberos to authenticate a remote computer connection.
Internet Information Services (IIS) implements the Kerberos authentication method by using a native module.
So, simply copying her folders (not creating new ones of the same name, which may still have worked) into my own lightroom directory worked.
Where I screwed up initially was tryiong to use my own presets under her install of lightroom and then creating new ones (which worked) but then trying to import them back into mine.