The RA Informatica job finishes without any error message. Also the session and workflowlogs are transferred.
Within Informatica this error message is shown:

[ICMD_10033] Command [getWorkflowLog] failed with error [CCM_10541] Internal error. Failed to create a client for service [/coreservices/DomainService] [DTF_0020] The [UserManagementService] Service failed to authenticate the user with the error message [[UM_10112] The Service Manager cannot authenticate the user because the password is blank. Provide a valid password for the user.].

AIX

This can be fixed by setting these three environment variables.

INFA_DEFAULT_DOMAIN_USER
INFA_DEFAULT_DOMAIN_PASSWORD
INFA_DEFAULT_SECURITY_DOMAIN