Fixed Port
By default, the pgAdmin 4 uses a random port number to ensure it can always run successfully. If you need to use a predictable port number, you can set one here. Note that if the port is already in use, the application will be unable to start.
Fixed port number?
Port Number
Connection Timeout
Connection Timeout will define how long to wait for pgAdmin to start before throwing the error. By default, pgAdmin wait for 90 seconds.
Timeout
seconds
Save