"Cornelia Boenigk" <poppcorn(at)cornelia-boenigk(dot)de> writes:
> C:\>psql -h 192.168.1.8 -U postgres -d minitest
> psql: could not connect to server: Connection refused
> Is the server running on host "192.168.1.8" and accepting
> TCP/IP connections on port 5432?
"Connection refused" suggests that you've got a firewall-type problem,
ie the operating system is rejecting the connection rather than letting
the postmaster receive it. Check packet filtering rules...
regards, tom lane