I have found that if pgadmin cant reach the postgresql backend, it reports a failed password error instead of a failed connection. You might make sure you back end is up and reachable.
On Wed, Sep 14, 2022 at 2:41 AM John Zuill <joz1@me.com> wrote:
Hi PG I am very new at this. So I was quite baffled when as soon as I tried to access the server, I got “Fatal: password authentication failed for user “Postgres”
The password I used was impossible to get wrong. Its three letters.