Why is Server Configuration in Pgadmin3 inaccessible for me?

Question

My Postgres server is running (localhost:5432), but Tools > Server Configuration is greyed out for me as below. I was attempting to access it to edit/locate my postgres.conf file.

Answer 1

adminpack extension

You need to install the adminpack extension on the server.

CREATE EXTENSION IF NOT EXISTS adminpack

Tips:

• Verify the extension is available for installation.
  SELECT * FROM pg_available_extensions ORDER BY "name" ;
• Verify installation.
  SELECT * FROM pg_extension ORDER BY extname ;

Answer 2

pgAdmin 4

In addition to installing create extension adminpack mentioned by @neil-mcguigan I had trouble finding the configuration values.

They have been in different places in different pgAdmin versions. (I'm currently on 4.1.6, although the question was about v3)

I'm adding this here in case someone else is looking.

• Choose your server in the left tree pane.

• The configuration tab is in the lower part of right side pane.