The following bug has been logged online:

Bug reference: 2434
Logged by: Jacques Gollion
Email address: jgollion (AT) sambatechnologies (DOT) com
PostgreSQL version: 8.1.3
Operating system: Windows 2000 SP4 Fr
Description: Using pg_dump in a .bat : Cannot avoid asking for user
Name and Password
Details:

I am trying to automatically save my database every day using the scheduled

---------------------------(end of broadcast)---------------------------
TIP 6: explain analyze is your friend