Otto Bock Healthcare- Implementation of a three-stage test system
- Migration of 192 interfaces from SAP XI 7.0 to SAP PO 7.5
- Preparation of detailed documentation
Migration from SAP XI 7.0 to SAP PO 7.5
Medical technology company, Ottobock had been using the interface system SAP XI 7.0. But the days of that system were numbered: SAP discontinued maintenance for the solution effective at the end of 2017. A new interface landscape was therefore required.
"SAP is no longer offering maintenance for our current interface system XI 7.0 starting in 2018. This meant we had to migrate our interfaces in a timely manner," says Steffen Rehse, IT Department Manager at Ottobock, describing the initial situation. "We came to the increasing realization that our current system was reaching its limits. We were no longer able to install some new support or enhancement packages for our SAP ERP, and new functional requirements for the system could not be met any more," Rehse continues. This meant the company had to operate its systems without the latest bug fixes and functional improvements – a risk for the IT systems and competitiveness.
Migration of 192 interfaces
IT management at Ottobock, in conjunction with Sycor, decided to migrate the 192 interfaces to SAP PO 7.5. This system is fit for the future, offering new adapters and better security patches than the previous version. A special highlight: The integrated graphical modeling tool. It represents processes schematically so that every user can see at first glance what function the interface fulfills. Sycor set up a three-stage system landscape in accordance with best practices for the project implementation. Then they brought all the interfaces up to date. "Aside from the large number of interfaces, the number of different communication protocols represented a major challenge in this project. Our team had to work in AS2, FTP, File, HTTP, JDBC, and RFC among others," explains Gerhard Heinzerling, Project Manager at Sycor. The range of data structures – VDA, ANSI X12, SOAP, and more – was another challenge for the Sycor team. "There was also great internal pressure on this project, since many important subsequent projects such as upgrading the ERP system depended on the migration," Rehse adds. "Implementing the project on schedule was therefore essential."
Fit for the future thanks to detailed documentation
Special attention was paid to accurate documentation of the new interfaces during the migration. "Comprehensible documentation is crucial in a project of this size. It forms the basis for anyone who has to work with these interfaces in the future. After all, this project involved all of the company's core processes," Heinzerling emphasizes. Thus, the Sycor team prepared a standard document with all important information for each interface. "We are very satisfied with the migration. Operating SAP XI 7.0 and SAP PO 7.5 in parallel went smoothly without noteworthy incidents. We owe this among other things to our partners and the specialist departments who tested the new system extensively and in a timely manner. This allowed us to correct errors in advance. In the end, deactivating the legacy systems went entirely unnoticed," Rehse says in conclusion.
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