I correct the pg_hba.conf host all all 0.0.0.0/0 md5 to trust and the backup script work as root and postgres but pgAdmin4 stop launched. I needed to change all from ident to trust and add host all all 0.0.0.0/0 trust all working fine now. thank you. Bach-Nga -- Sent from: https://www.postgresql-archive.org/PostgreSQL-general-f1843780.html