1. Log in to data mover in bootstrap mode(SYSADM user).

2. Run below command

update PSOPRDEFN set OPERPSWD = ‘Your password’, ENCRYPTED = 0 where OPRID = ‘PS’;
ENCRYPT_PASSWORD *;

3. With above sql we can change the password for all PeopleSoft application users.

Use single cotes, if you copy the above text it will be with different special character.