Michael Paquier <michael.paquier@gmail.com> writes:
> While playing on Windows with services, I noticed an inconsistent behavior
> in the way failures are handled when using a service for a Postgres
> instance.
> ...
> However when a backend process is directly killed something different
> happens.
Was that a backend that you directly killed? Or the postmaster? The
subsequent connection failures suggest it was the postmaster. Killing
the postmaster is not a supported operation, not on Windows and not
anywhere else either. It's in the category of "doctor, it hurts when
I do this".
regards, tom lane