Found the issue:
The install that worked is on our in-house development server and I
installed with a weak alpah-numeric password.
The problem install is on a hosted, soon-to-be production server where I am
using a strong, ramdomly generated password that includes special
characters. One of the characters in the password that I was giving during
the install was a double quote (").
I installed with a weak password - no problem - and changed it afterwards to
the desired password (containing "). All is working.
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