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.