The new admin tool consists of about 120 screens for maintaining the master data. Additional dialogs enable the administrator to import/export data and configure batch runs. The new admin tool is based on XML file that make it possible to completely configure the maintenance masks. It is implemented using Microsoft technologies (WPF, C#, Entity Framework). PTA provides support in requirements engineering, in communication with offshore developers, in technical issues and during testing. Quality assurance measures include formulating user stories, the nightly build process, maintaining the test environment and test data and performing tests. Requirements-based tests, integration tests and end-to-end tests are performed. These are implemented by session-based and exploratory testing.