In the course of upgrading a bunch of database clusters from 10 to 14 using 
pg_upgrade tool, some databases result in the following error recorded in 
pg_upgrade_dump_1.log, such that cluster upgrade fails.
FATAL:  password authentication failed for user "postgres"

This was done on Microsoft Windows 11.
PostgreSQL 10 and 14 used are built using Visual Studio 2015.
Only a small number of database clusters has this problem, around 2 of 200.
It appears these database are used from earlier cluster upgrade from 9.4 to 10 
as well.

It would be very helpful if there is any possible workaround to overcome this 
problem.

I attached a sample pg_upgrade_dump_1.log reported this error.

Attachment: pg_upgrade_dump_1.log
Description: pg_upgrade_dump_1.log

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