Employee Self-Service (ESS) and Manager Self Service (MSS) relieve the personnel department to establish a unified management and offer a high return on investment. Employee Self-Service (ESS) and Manager Self Service (MSS) are easy-to-use applications that enable employees of a company to be able to maintain own personal data and managers in management tasks to support at the operational level. Employees themselves take responsibility for the timeliness and accuracy of their data. SAP ESS MSS Training allows employees to change their own contact details, banking information, family members and benefits. Using the workflow management personnel administrative processes within the ESS MSS also be automated.