The service user of security subsystem provides:
System login.
Correct auditing and user locking.
Use of application role when working with DBMS.
Use of password hashing.
A service user is created in the repository manager.
If the service user password is changed in DBMS, edit the service user in the security manager.
NOTE. The service user can be edited by the user with the Creating and Deleting Users and Applying Permissions at DBMS Level privileges.
To edit the service user in the Users section:
Select the Edit Service User of Security Subsystem item in the drop-down menu of the
User button. After executing the operation the Change Audit User Password dialog box opens:

Set the parameters:
Current Password. Enter the service user's current password.
IMPORTANT. If you have forgotten the current password, recreate a service user to restore credentials.
New Password. Enter service user's new password.
Password Confirmation. Reenter service user's new password.
NOTE. Service user name is read-only.
Click the OK button. After executing the operations the standard credentials request dialog box opens.
The changed password of the service user is saved to DBMS and on the current user's computer.
NOTE. The password saved in the local machine registry key is changed by the user who holds administrator permissions.
Update service user credentials on each user computer using the PP.Util utility.
After executing the operations the service user password will be changed.
See also:
Creating User Accounts and Working with Them | Creating and Editing User Account | Connecting Domain User