"Nick Renders" <postgres@xxxxxxxxxx> writes: > Thank you for all the feedback and suggestions. > It seems that the "-h localhost" parameter is triggering the issue. If I > leave it out, pg_restore works without problems with multiple jobs. I > have also tried specifying the IP number instead of "localhost", but > that results in the same error. Hmm ... do you have your firewall set up in any unusual way? See System Preferences -> Security & Privacy -> Firewall -> Firewall Options. On mine, the only checked box is "Automatically allow built-in software to receive incoming connections". I also have SSH enabled, though that doesn't seem too relevant here. regards, tom lane